Finding the Fourth Proportional to 112,123.97, 154,605.37 and 91,642.46

Step by Step Solution

1. Step 1: Write the proportion equation
   112,123.97 : 154,605.37 = 91,642.46 : x
2. Step 2: Convert to fraction form
   112,123.97/154,605.37 = 91,642.46/x
3. Step 3: Cross multiply
   112,123.97x = 154,605.37 × 91,642.46
4. Step 4: Simplify right side
   112,123.97x = 14,168,416,436.01
5. Step 5: Solve for x
   x = 14,168,416,436.01/112,123.97
6. Step 6: Final answer
   x = 126,363.85