Finding the Fourth Proportional to 126,481, 174,572.88 and 72,797.02

Step by Step Solution

1. Step 1: Write the proportion equation
   126,481 : 174,572.88 = 72,797.02 : x
2. Step 2: Convert to fraction form
   126,481/174,572.88 = 72,797.02/x
3. Step 3: Cross multiply
   126,481x = 174,572.88 × 72,797.02
4. Step 4: Simplify right side
   126,481x = 12,708,385,436.82
5. Step 5: Solve for x
   x = 12,708,385,436.82/126,481
6. Step 6: Final answer
   x = 100,476.64