Finding the Fourth Proportional to 109,155.04, 150,584.17 and 78,892.42

Step by Step Solution

1. Step 1: Write the proportion equation
   109,155.04 : 150,584.17 = 78,892.42 : x
2. Step 2: Convert to fraction form
   109,155.04/150,584.17 = 78,892.42/x
3. Step 3: Cross multiply
   109,155.04x = 150,584.17 × 78,892.42
4. Step 4: Simplify right side
   109,155.04x = 11,879,949,584.99
5. Step 5: Solve for x
   x = 11,879,949,584.99/109,155.04
6. Step 6: Final answer
   x = 108,835.56