Finding the Fourth Proportional to 111,861.33, 154,365.55 and 60,872.91

Step by Step Solution

1. Step 1: Write the proportion equation
   111,861.33 : 154,365.55 = 60,872.91 : x
2. Step 2: Convert to fraction form
   111,861.33/154,365.55 = 60,872.91/x
3. Step 3: Cross multiply
   111,861.33x = 154,365.55 × 60,872.91
4. Step 4: Simplify right side
   111,861.33x = 9,396,680,232.25
5. Step 5: Solve for x
   x = 9,396,680,232.25/111,861.33
6. Step 6: Final answer
   x = 84,002.94