Finding the Fourth Proportional to 76,854.98, 106,060.14 and 42,863.30

Step by Step Solution

1. Step 1: Write the proportion equation
   76,854.98 : 106,060.14 = 42,863.30 : x
2. Step 2: Convert to fraction form
   76,854.98/106,060.14 = 42,863.30/x
3. Step 3: Cross multiply
   76,854.98x = 106,060.14 × 42,863.30
4. Step 4: Simplify right side
   76,854.98x = 4,546,087,598.86
5. Step 5: Solve for x
   x = 4,546,087,598.86/76,854.98
6. Step 6: Final answer
   x = 59,151.50