Finding the Fourth Proportional to 10,957.42, 16,414.49 and 7,248.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,957.42 : 16,414.49 = 7,248.43 : x
2. Step 2: Convert to fraction form
   10,957.42/16,414.49 = 7,248.43/x
3. Step 3: Cross multiply
   10,957.42x = 16,414.49 × 7,248.43
4. Step 4: Simplify right side
   10,957.42x = 118,979,258.84
5. Step 5: Solve for x
   x = 118,979,258.84/10,957.42
6. Step 6: Final answer
   x = 10,858.33