Finding the Fourth Proportional to 108,100.54, 149,240.98 and 71,851.13

Step by Step Solution

1. Step 1: Write the proportion equation
   108,100.54 : 149,240.98 = 71,851.13 : x
2. Step 2: Convert to fraction form
   108,100.54/149,240.98 = 71,851.13/x
3. Step 3: Cross multiply
   108,100.54x = 149,240.98 × 71,851.13
4. Step 4: Simplify right side
   108,100.54x = 10,723,133,160.65
5. Step 5: Solve for x
   x = 10,723,133,160.65/108,100.54
6. Step 6: Final answer
   x = 99,195.92