Finding the Fourth Proportional to 10,839.64, 14,951.88 and 7,476.70

Step by Step Solution

1. Step 1: Write the proportion equation
   10,839.64 : 14,951.88 = 7,476.70 : x
2. Step 2: Convert to fraction form
   10,839.64/14,951.88 = 7,476.70/x
3. Step 3: Cross multiply
   10,839.64x = 14,951.88 × 7,476.70
4. Step 4: Simplify right side
   10,839.64x = 111,790,721.20
5. Step 5: Solve for x
   x = 111,790,721.20/10,839.64
6. Step 6: Final answer
   x = 10,313.14