Finding the Fourth Proportional to 189,411.92, 261,403.72 and 108,852.56

Step by Step Solution

1. Step 1: Write the proportion equation
   189,411.92 : 261,403.72 = 108,852.56 : x
2. Step 2: Convert to fraction form
   189,411.92/261,403.72 = 108,852.56/x
3. Step 3: Cross multiply
   189,411.92x = 261,403.72 × 108,852.56
4. Step 4: Simplify right side
   189,411.92x = 28,454,464,115.52
5. Step 5: Solve for x
   x = 28,454,464,115.52/189,411.92
6. Step 6: Final answer
   x = 150,225.31