Finding the Fourth Proportional to 126,145.76, 174,081.42 and 69,557.13

Step by Step Solution

1. Step 1: Write the proportion equation
   126,145.76 : 174,081.42 = 69,557.13 : x
2. Step 2: Convert to fraction form
   126,145.76/174,081.42 = 69,557.13/x
3. Step 3: Cross multiply
   126,145.76x = 174,081.42 × 69,557.13
4. Step 4: Simplify right side
   126,145.76x = 12,108,603,961.52
5. Step 5: Solve for x
   x = 12,108,603,961.52/126,145.76
6. Step 6: Final answer
   x = 95,988.99