Finding the Fourth Proportional to 62,891.20, 86,786.72 and 34,596.16

Step by Step Solution

1. Step 1: Write the proportion equation
   62,891.20 : 86,786.72 = 34,596.16 : x
2. Step 2: Convert to fraction form
   62,891.20/86,786.72 = 34,596.16/x
3. Step 3: Cross multiply
   62,891.20x = 86,786.72 × 34,596.16
4. Step 4: Simplify right side
   62,891.20x = 3,002,487,251.00
5. Step 5: Solve for x
   x = 3,002,487,251.00/62,891.20
6. Step 6: Final answer
   x = 47,740.98