Finding the Fourth Proportional to 111,871.16, 154,385.10 and 60,886.76

Step by Step Solution

1. Step 1: Write the proportion equation
   111,871.16 : 154,385.10 = 60,886.76 : x
2. Step 2: Convert to fraction form
   111,871.16/154,385.10 = 60,886.76/x
3. Step 3: Cross multiply
   111,871.16x = 154,385.10 × 60,886.76
4. Step 4: Simplify right side
   111,871.16x = 9,400,008,531.28
5. Step 5: Solve for x
   x = 9,400,008,531.28/111,871.16
6. Step 6: Final answer
   x = 84,025.31