Finding the Fourth Proportional to 111,672.56, 154,108.76 and 60,685.71

Step by Step Solution

1. Step 1: Write the proportion equation
   111,672.56 : 154,108.76 = 60,685.71 : x
2. Step 2: Convert to fraction form
   111,672.56/154,108.76 = 60,685.71/x
3. Step 3: Cross multiply
   111,672.56x = 154,108.76 × 60,685.71
4. Step 4: Simplify right side
   111,672.56x = 9,352,199,214.39
5. Step 5: Solve for x
   x = 9,352,199,214.39/111,672.56
6. Step 6: Final answer
   x = 83,746.62