Finding the Fourth Proportional to 139,799.88, 192,789.72 and 93,963.24

Step by Step Solution

1. Step 1: Write the proportion equation
   139,799.88 : 192,789.72 = 93,963.24 : x
2. Step 2: Convert to fraction form
   139,799.88/192,789.72 = 93,963.24/x
3. Step 3: Cross multiply
   139,799.88x = 192,789.72 × 93,963.24
4. Step 4: Simplify right side
   139,799.88x = 18,115,146,729.89
5. Step 5: Solve for x
   x = 18,115,146,729.89/139,799.88
6. Step 6: Final answer
   x = 129,579.13