Finding the Fourth Proportional to 112,978.04, 155,909.88 and 62,677.04

Step by Step Solution

1. Step 1: Write the proportion equation
   112,978.04 : 155,909.88 = 62,677.04 : x
2. Step 2: Convert to fraction form
   112,978.04/155,909.88 = 62,677.04/x
3. Step 3: Cross multiply
   112,978.04x = 155,909.88 × 62,677.04
4. Step 4: Simplify right side
   112,978.04x = 9,771,969,785.16
5. Step 5: Solve for x
   x = 9,771,969,785.16/112,978.04
6. Step 6: Final answer
   x = 86,494.42