Finding the Fourth Proportional to 10,574.15, 15,839.69 and 5,010.63

Step by Step Solution

1. Step 1: Write the proportion equation
   10,574.15 : 15,839.69 = 5,010.63 : x
2. Step 2: Convert to fraction form
   10,574.15/15,839.69 = 5,010.63/x
3. Step 3: Cross multiply
   10,574.15x = 15,839.69 × 5,010.63
4. Step 4: Simplify right side
   10,574.15x = 79,366,825.90
5. Step 5: Solve for x
   x = 79,366,825.90/10,574.15
6. Step 6: Final answer
   x = 7,505.74