Finding the Fourth Proportional to 127,462.32, 175,851 and 77,142.96

Step by Step Solution

1. Step 1: Write the proportion equation
   127,462.32 : 175,851 = 77,142.96 : x
2. Step 2: Convert to fraction form
   127,462.32/175,851 = 77,142.96/x
3. Step 3: Cross multiply
   127,462.32x = 175,851 × 77,142.96
4. Step 4: Simplify right side
   127,462.32x = 13,565,666,658.96
5. Step 5: Solve for x
   x = 13,565,666,658.96/127,462.32
6. Step 6: Final answer
   x = 106,428.84