Finding the Fourth Proportional to 147,402.30, 221,146.83 and 47,560.62

Step by Step Solution

1. Step 1: Write the proportion equation
   147,402.30 : 221,146.83 = 47,560.62 : x
2. Step 2: Convert to fraction form
   147,402.30/221,146.83 = 47,560.62/x
3. Step 3: Cross multiply
   147,402.30x = 221,146.83 × 47,560.62
4. Step 4: Simplify right side
   147,402.30x = 10,517,880,345.83
5. Step 5: Solve for x
   x = 10,517,880,345.83/147,402.30
6. Step 6: Final answer
   x = 71,354.93