Finding the Fourth Proportional to 10,047.49, 15,074.35 and 7,275.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,047.49 : 15,074.35 = 7,275.17 : x
2. Step 2: Convert to fraction form
   10,047.49/15,074.35 = 7,275.17/x
3. Step 3: Cross multiply
   10,047.49x = 15,074.35 × 7,275.17
4. Step 4: Simplify right side
   10,047.49x = 109,668,434.52
5. Step 5: Solve for x
   x = 109,668,434.52/10,047.49
6. Step 6: Final answer
   x = 10,915.00