Finding the Fourth Proportional to 147,501.91, 221,254.17 and 47,662.12

Step by Step Solution

1. Step 1: Write the proportion equation
   147,501.91 : 221,254.17 = 47,662.12 : x
2. Step 2: Convert to fraction form
   147,501.91/221,254.17 = 47,662.12/x
3. Step 3: Cross multiply
   147,501.91x = 221,254.17 × 47,662.12
4. Step 4: Simplify right side
   147,501.91x = 10,545,442,801.04
5. Step 5: Solve for x
   x = 10,545,442,801.04/147,501.91
6. Step 6: Final answer
   x = 71,493.60