Finding the Fourth Proportional to 64,854.28, 89,499 and 35,046.28

Step by Step Solution

1. Step 1: Write the proportion equation
   64,854.28 : 89,499 = 35,046.28 : x
2. Step 2: Convert to fraction form
   64,854.28/89,499 = 35,046.28/x
3. Step 3: Cross multiply
   64,854.28x = 89,499 × 35,046.28
4. Step 4: Simplify right side
   64,854.28x = 3,136,607,013.72
5. Step 5: Solve for x
   x = 3,136,607,013.72/64,854.28
6. Step 6: Final answer
   x = 48,363.92