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Finding the Fourth Proportional to 7,586.99, 11,372.69 and 2,905.90

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Solution

The fourth proportional to 7,586.99, 11,372.69 and 2,905.90 is: 4,355.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,586.99 : 11,372.69 = 2,905.90 : x
  2. Step 2: Convert to fraction form
    7,586.99/11,372.69 = 2,905.90/x
  3. Step 3: Cross multiply
    7,586.99x = 11,372.69 × 2,905.90
  4. Step 4: Simplify right side
    7,586.99x = 33,047,899.87
  5. Step 5: Solve for x
    x = 33,047,899.87/7,586.99
  6. Step 6: Final answer
    x = 4,355.86

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