Finding the Fourth Proportional to 125,788.38, 173,588.00 and 72,104.55

Step by Step Solution

1. Step 1: Write the proportion equation
   125,788.38 : 173,588.00 = 72,104.55 : x
2. Step 2: Convert to fraction form
   125,788.38/173,588.00 = 72,104.55/x
3. Step 3: Cross multiply
   125,788.38x = 173,588.00 × 72,104.55
4. Step 4: Simplify right side
   125,788.38x = 12,516,484,264.88
5. Step 5: Solve for x
   x = 12,516,484,264.88/125,788.38
6. Step 6: Final answer
   x = 99,504.30