Finding the Fourth Proportional to 147,221.38, 220,785.59 and 47,359.31

Step by Step Solution

1. Step 1: Write the proportion equation
   147,221.38 : 220,785.59 = 47,359.31 : x
2. Step 2: Convert to fraction form
   147,221.38/220,785.59 = 47,359.31/x
3. Step 3: Cross multiply
   147,221.38x = 220,785.59 × 47,359.31
4. Step 4: Simplify right side
   147,221.38x = 10,456,253,200.34
5. Step 5: Solve for x
   x = 10,456,253,200.34/147,221.38
6. Step 6: Final answer
   x = 71,024.01