Finding the Fourth Proportional to 139,758.39, 192,994.56 and 88,787.52

Step by Step Solution

1. Step 1: Write the proportion equation
   139,758.39 : 192,994.56 = 88,787.52 : x
2. Step 2: Convert to fraction form
   139,758.39/192,994.56 = 88,787.52/x
3. Step 3: Cross multiply
   139,758.39x = 192,994.56 × 88,787.52
4. Step 4: Simplify right side
   139,758.39x = 17,135,508,355.89
5. Step 5: Solve for x
   x = 17,135,508,355.89/139,758.39
6. Step 6: Final answer
   x = 122,608.08