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Finding the Fourth Proportional to 79,338.48, 109,486.20 and 45,803.76

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Solution

The fourth proportional to 79,338.48, 109,486.20 and 45,803.76 is: 63,208.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,338.48 : 109,486.20 = 45,803.76 : x
  2. Step 2: Convert to fraction form
    79,338.48/109,486.20 = 45,803.76/x
  3. Step 3: Cross multiply
    79,338.48x = 109,486.20 × 45,803.76
  4. Step 4: Simplify right side
    79,338.48x = 5,014,879,628.11
  5. Step 5: Solve for x
    x = 5,014,879,628.11/79,338.48
  6. Step 6: Final answer
    x = 63,208.67

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