Finding the Fourth Proportional to 126,510.89, 174,585.70 and 69,150.28

Step by Step Solution

1. Step 1: Write the proportion equation
   126,510.89 : 174,585.70 = 69,150.28 : x
2. Step 2: Convert to fraction form
   126,510.89/174,585.70 = 69,150.28/x
3. Step 3: Cross multiply
   126,510.89x = 174,585.70 × 69,150.28
4. Step 4: Simplify right side
   126,510.89x = 12,072,650,701.83
5. Step 5: Solve for x
   x = 12,072,650,701.83/126,510.89
6. Step 6: Final answer
   x = 95,427.76