Finding the Fourth Proportional to 127,451.88, 191,002.86 and 64,991.16

Step by Step Solution

1. Step 1: Write the proportion equation
   127,451.88 : 191,002.86 = 64,991.16 : x
2. Step 2: Convert to fraction form
   127,451.88/191,002.86 = 64,991.16/x
3. Step 3: Cross multiply
   127,451.88x = 191,002.86 × 64,991.16
4. Step 4: Simplify right side
   127,451.88x = 12,413,497,434.72
5. Step 5: Solve for x
   x = 12,413,497,434.72/127,451.88
6. Step 6: Final answer
   x = 97,397.52