Finding the Fourth Proportional to 127,440.72, 191,165.96 and 65,038.32

Step by Step Solution

1. Step 1: Write the proportion equation
   127,440.72 : 191,165.96 = 65,038.32 : x
2. Step 2: Convert to fraction form
   127,440.72/191,165.96 = 65,038.32/x
3. Step 3: Cross multiply
   127,440.72x = 191,165.96 × 65,038.32
4. Step 4: Simplify right side
   127,440.72x = 12,433,112,879.59
5. Step 5: Solve for x
   x = 12,433,112,879.59/127,440.72
6. Step 6: Final answer
   x = 97,559.97