Finding the Fourth Proportional to 60,898.74, 83,998.56 and 39,706.71

Step by Step Solution

1. Step 1: Write the proportion equation
   60,898.74 : 83,998.56 = 39,706.71 : x
2. Step 2: Convert to fraction form
   60,898.74/83,998.56 = 39,706.71/x
3. Step 3: Cross multiply
   60,898.74x = 83,998.56 × 39,706.71
4. Step 4: Simplify right side
   60,898.74x = 3,335,306,622.69
5. Step 5: Solve for x
   x = 3,335,306,622.69/60,898.74
6. Step 6: Final answer
   x = 54,768.07