Finding the Fourth Proportional to 112,150.88, 154,729.49 and 71,886.84

Step by Step Solution

1. Step 1: Write the proportion equation
   112,150.88 : 154,729.49 = 71,886.84 : x
2. Step 2: Convert to fraction form
   112,150.88/154,729.49 = 71,886.84/x
3. Step 3: Cross multiply
   112,150.88x = 154,729.49 × 71,886.84
4. Step 4: Simplify right side
   112,150.88x = 11,123,014,425.96
5. Step 5: Solve for x
   x = 11,123,014,425.96/112,150.88
6. Step 6: Final answer
   x = 99,179.02