Finding the Fourth Proportional to 147,871.86, 221,826.20 and 57,902.96

Step by Step Solution

1. Step 1: Write the proportion equation
   147,871.86 : 221,826.20 = 57,902.96 : x
2. Step 2: Convert to fraction form
   147,871.86/221,826.20 = 57,902.96/x
3. Step 3: Cross multiply
   147,871.86x = 221,826.20 × 57,902.96
4. Step 4: Simplify right side
   147,871.86x = 12,844,393,585.55
5. Step 5: Solve for x
   x = 12,844,393,585.55/147,871.86
6. Step 6: Final answer
   x = 86,861.65