Finding the Fourth Proportional to 147,760.29, 221,631.31 and 58,949.87

Step by Step Solution

1. Step 1: Write the proportion equation
   147,760.29 : 221,631.31 = 58,949.87 : x
2. Step 2: Convert to fraction form
   147,760.29/221,631.31 = 58,949.87/x
3. Step 3: Cross multiply
   147,760.29x = 221,631.31 × 58,949.87
4. Step 4: Simplify right side
   147,760.29x = 13,065,136,912.43
5. Step 5: Solve for x
   x = 13,065,136,912.43/147,760.29
6. Step 6: Final answer
   x = 88,421.16