Finding the Fourth Proportional to 139,088.04, 191,859.25 and 88,787.04

Step by Step Solution

1. Step 1: Write the proportion equation
   139,088.04 : 191,859.25 = 88,787.04 : x
2. Step 2: Convert to fraction form
   139,088.04/191,859.25 = 88,787.04/x
3. Step 3: Cross multiply
   139,088.04x = 191,859.25 × 88,787.04
4. Step 4: Simplify right side
   139,088.04x = 17,034,614,904.12
5. Step 5: Solve for x
   x = 17,034,614,904.12/139,088.04
6. Step 6: Final answer
   x = 122,473.61