Finding the Fourth Proportional to 69,721.88, 96,469.52 and 60,787.98

Step by Step Solution

1. Step 1: Write the proportion equation
   69,721.88 : 96,469.52 = 60,787.98 : x
2. Step 2: Convert to fraction form
   69,721.88/96,469.52 = 60,787.98/x
3. Step 3: Cross multiply
   69,721.88x = 96,469.52 × 60,787.98
4. Step 4: Simplify right side
   69,721.88x = 5,864,186,948.43
5. Step 5: Solve for x
   x = 5,864,186,948.43/69,721.88
6. Step 6: Final answer
   x = 84,108.28