Finding the Fourth Proportional to 102,822.88, 141,892.92 and 56,884.22

Step by Step Solution

1. Step 1: Write the proportion equation
   102,822.88 : 141,892.92 = 56,884.22 : x
2. Step 2: Convert to fraction form
   102,822.88/141,892.92 = 56,884.22/x
3. Step 3: Cross multiply
   102,822.88x = 141,892.92 × 56,884.22
4. Step 4: Simplify right side
   102,822.88x = 8,071,468,077.72
5. Step 5: Solve for x
   x = 8,071,468,077.72/102,822.88
6. Step 6: Final answer
   x = 78,498.76