Finding the Fourth Proportional to 127,428.71, 191,147.92 and 65,026.31

Step by Step Solution

1. Step 1: Write the proportion equation
   127,428.71 : 191,147.92 = 65,026.31 : x
2. Step 2: Convert to fraction form
   127,428.71/191,147.92 = 65,026.31/x
3. Step 3: Cross multiply
   127,428.71x = 191,147.92 × 65,026.31
4. Step 4: Simplify right side
   127,428.71x = 12,429,643,866.05
5. Step 5: Solve for x
   x = 12,429,643,866.05/127,428.71
6. Step 6: Final answer
   x = 97,541.94