Finding the Fourth Proportional to 126,131.70, 174,053.81 and 69,543.54

Step by Step Solution

1. Step 1: Write the proportion equation
   126,131.70 : 174,053.81 = 69,543.54 : x
2. Step 2: Convert to fraction form
   126,131.70/174,053.81 = 69,543.54/x
3. Step 3: Cross multiply
   126,131.70x = 174,053.81 × 69,543.54
4. Step 4: Simplify right side
   126,131.70x = 12,104,318,097.89
5. Step 5: Solve for x
   x = 12,104,318,097.89/126,131.70
6. Step 6: Final answer
   x = 95,965.71