Finding the Fourth Proportional to 112,315, 154,868.34 and 91,833.16

Step by Step Solution

1. Step 1: Write the proportion equation
   112,315 : 154,868.34 = 91,833.16 : x
2. Step 2: Convert to fraction form
   112,315/154,868.34 = 91,833.16/x
3. Step 3: Cross multiply
   112,315x = 154,868.34 × 91,833.16
4. Step 4: Simplify right side
   112,315x = 14,222,049,046.15
5. Step 5: Solve for x
   x = 14,222,049,046.15/112,315
6. Step 6: Final answer
   x = 126,626.44