Finding the Fourth Proportional to 64,725.43, 89,348.73 and 43,517

Step by Step Solution

1. Step 1: Write the proportion equation
   64,725.43 : 89,348.73 = 43,517 : x
2. Step 2: Convert to fraction form
   64,725.43/89,348.73 = 43,517/x
3. Step 3: Cross multiply
   64,725.43x = 89,348.73 × 43,517
4. Step 4: Simplify right side
   64,725.43x = 3,888,188,683.41
5. Step 5: Solve for x
   x = 3,888,188,683.41/64,725.43
6. Step 6: Final answer
   x = 60,072.04