Finding the Fourth Proportional to 98,520.72, 147,801.87 and 31,955.68

Step by Step Solution

1. Step 1: Write the proportion equation
   98,520.72 : 147,801.87 = 31,955.68 : x
2. Step 2: Convert to fraction form
   98,520.72/147,801.87 = 31,955.68/x
3. Step 3: Cross multiply
   98,520.72x = 147,801.87 × 31,955.68
4. Step 4: Simplify right side
   98,520.72x = 4,723,109,101.34
5. Step 5: Solve for x
   x = 4,723,109,101.34/98,520.72
6. Step 6: Final answer
   x = 47,940.26