Finding the Fourth Proportional to 102,227.05, 141,077.46 and 56,902.15

Step by Step Solution

1. Step 1: Write the proportion equation
   102,227.05 : 141,077.46 = 56,902.15 : x
2. Step 2: Convert to fraction form
   102,227.05/141,077.46 = 56,902.15/x
3. Step 3: Cross multiply
   102,227.05x = 141,077.46 × 56,902.15
4. Step 4: Simplify right side
   102,227.05x = 8,027,611,180.27
5. Step 5: Solve for x
   x = 8,027,611,180.27/102,227.05
6. Step 6: Final answer
   x = 78,527.27