Finding the Fourth Proportional to 198,061.38, 273,300.15 and 126,483.30

Step by Step Solution

1. Step 1: Write the proportion equation
   198,061.38 : 273,300.15 = 126,483.30 : x
2. Step 2: Convert to fraction form
   198,061.38/273,300.15 = 126,483.30/x
3. Step 3: Cross multiply
   198,061.38x = 273,300.15 × 126,483.30
4. Step 4: Simplify right side
   198,061.38x = 34,567,904,862.50
5. Step 5: Solve for x
   x = 34,567,904,862.50/198,061.38
6. Step 6: Final answer
   x = 174,531.27