Finding the Fourth Proportional to 98,140.72, 147,238.20 and 34,975.30

Step by Step Solution

1. Step 1: Write the proportion equation
   98,140.72 : 147,238.20 = 34,975.30 : x
2. Step 2: Convert to fraction form
   98,140.72/147,238.20 = 34,975.30/x
3. Step 3: Cross multiply
   98,140.72x = 147,238.20 × 34,975.30
4. Step 4: Simplify right side
   98,140.72x = 5,149,700,216.46
5. Step 5: Solve for x
   x = 5,149,700,216.46/98,140.72
6. Step 6: Final answer
   x = 52,472.62