Finding the Fourth Proportional to 11,062.71, 15,281.46 and 10,275.39

Step by Step Solution

1. Step 1: Write the proportion equation
   11,062.71 : 15,281.46 = 10,275.39 : x
2. Step 2: Convert to fraction form
   11,062.71/15,281.46 = 10,275.39/x
3. Step 3: Cross multiply
   11,062.71x = 15,281.46 × 10,275.39
4. Step 4: Simplify right side
   11,062.71x = 157,022,961.27
5. Step 5: Solve for x
   x = 157,022,961.27/11,062.71
6. Step 6: Final answer
   x = 14,193.90