Finding the Fourth Proportional to 10,743.28, 14,885.40 and 10,510

Step by Step Solution

1. Step 1: Write the proportion equation
   10,743.28 : 14,885.40 = 10,510 : x
2. Step 2: Convert to fraction form
   10,743.28/14,885.40 = 10,510/x
3. Step 3: Cross multiply
   10,743.28x = 14,885.40 × 10,510
4. Step 4: Simplify right side
   10,743.28x = 156,445,554
5. Step 5: Solve for x
   x = 156,445,554/10,743.28
6. Step 6: Final answer
   x = 14,562.18