Finding the Fourth Proportional to 111,870.16, 154,383.72 and 60,885.76

Step by Step Solution

1. Step 1: Write the proportion equation
   111,870.16 : 154,383.72 = 60,885.76 : x
2. Step 2: Convert to fraction form
   111,870.16/154,383.72 = 60,885.76/x
3. Step 3: Cross multiply
   111,870.16x = 154,383.72 × 60,885.76
4. Step 4: Simplify right side
   111,870.16x = 9,399,770,123.83
5. Step 5: Solve for x
   x = 9,399,770,123.83/111,870.16
6. Step 6: Final answer
   x = 84,023.93