Finding the Fourth Proportional to 83,456.52, 125,185.32 and 21,127.02

Step by Step Solution

1. Step 1: Write the proportion equation
   83,456.52 : 125,185.32 = 21,127.02 : x
2. Step 2: Convert to fraction form
   83,456.52/125,185.32 = 21,127.02/x
3. Step 3: Cross multiply
   83,456.52x = 125,185.32 × 21,127.02
4. Step 4: Simplify right side
   83,456.52x = 2,644,792,759.35
5. Step 5: Solve for x
   x = 2,644,792,759.35/83,456.52
6. Step 6: Final answer
   x = 31,690.67