Finding the Fourth Proportional to 11,263.43, 15,541.39 and 7,069.79

Step by Step Solution

1. Step 1: Write the proportion equation
   11,263.43 : 15,541.39 = 7,069.79 : x
2. Step 2: Convert to fraction form
   11,263.43/15,541.39 = 7,069.79/x
3. Step 3: Cross multiply
   11,263.43x = 15,541.39 × 7,069.79
4. Step 4: Simplify right side
   11,263.43x = 109,874,363.61
5. Step 5: Solve for x
   x = 109,874,363.61/11,263.43
6. Step 6: Final answer
   x = 9,754.96