Finding the Fourth Proportional to 85,932.69, 128,868.27 and 29,757.72

Step by Step Solution

1. Step 1: Write the proportion equation
   85,932.69 : 128,868.27 = 29,757.72 : x
2. Step 2: Convert to fraction form
   85,932.69/128,868.27 = 29,757.72/x
3. Step 3: Cross multiply
   85,932.69x = 128,868.27 × 29,757.72
4. Step 4: Simplify right side
   85,932.69x = 3,834,825,895.54
5. Step 5: Solve for x
   x = 3,834,825,895.54/85,932.69
6. Step 6: Final answer
   x = 44,625.93