Finding the Fourth Proportional to 112,092.16, 154,372.25 and 109,642.72

Step by Step Solution

1. Step 1: Write the proportion equation
   112,092.16 : 154,372.25 = 109,642.72 : x
2. Step 2: Convert to fraction form
   112,092.16/154,372.25 = 109,642.72/x
3. Step 3: Cross multiply
   112,092.16x = 154,372.25 × 109,642.72
4. Step 4: Simplify right side
   112,092.16x = 16,925,793,382.52
5. Step 5: Solve for x
   x = 16,925,793,382.52/112,092.16
6. Step 6: Final answer
   x = 150,998.90