Finding the Fourth Proportional to 62,899.17, 86,780.18 and 35,672.16

Step by Step Solution

1. Step 1: Write the proportion equation
   62,899.17 : 86,780.18 = 35,672.16 : x
2. Step 2: Convert to fraction form
   62,899.17/86,780.18 = 35,672.16/x
3. Step 3: Cross multiply
   62,899.17x = 86,780.18 × 35,672.16
4. Step 4: Simplify right side
   62,899.17x = 3,095,636,287.43
5. Step 5: Solve for x
   x = 3,095,636,287.43/62,899.17
6. Step 6: Final answer
   x = 49,215.85