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Finding the Fourth Proportional to 212,641.10, 318,633.60 and 184,428.80

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Solution

The fourth proportional to 212,641.10, 318,633.60 and 184,428.80 is: 276,358.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,641.10 : 318,633.60 = 184,428.80 : x
  2. Step 2: Convert to fraction form
    212,641.10/318,633.60 = 184,428.80/x
  3. Step 3: Cross multiply
    212,641.10x = 318,633.60 × 184,428.80
  4. Step 4: Simplify right side
    212,641.10x = 58,765,212,487.68
  5. Step 5: Solve for x
    x = 58,765,212,487.68/212,641.10
  6. Step 6: Final answer
    x = 276,358.67

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