Finding the Fourth Proportional to 102,301.78, 141,180.27 and 56,363.29

Step by Step Solution

1. Step 1: Write the proportion equation
   102,301.78 : 141,180.27 = 56,363.29 : x
2. Step 2: Convert to fraction form
   102,301.78/141,180.27 = 56,363.29/x
3. Step 3: Cross multiply
   102,301.78x = 141,180.27 × 56,363.29
4. Step 4: Simplify right side
   102,301.78x = 7,957,384,500.29
5. Step 5: Solve for x
   x = 7,957,384,500.29/102,301.78
6. Step 6: Final answer
   x = 77,783.44