Finding the Fourth Proportional to 147,139.56, 220,711.34 and 41,958.50

Step by Step Solution

1. Step 1: Write the proportion equation
   147,139.56 : 220,711.34 = 41,958.50 : x
2. Step 2: Convert to fraction form
   147,139.56/220,711.34 = 41,958.50/x
3. Step 3: Cross multiply
   147,139.56x = 220,711.34 × 41,958.50
4. Step 4: Simplify right side
   147,139.56x = 9,260,715,760.73
5. Step 5: Solve for x
   x = 9,260,715,760.73/147,139.56
6. Step 6: Final answer
   x = 62,938.31