Finding the Fourth Proportional to 9,470.52, 13,069.17 and 5,278.77

Step by Step Solution

1. Step 1: Write the proportion equation
   9,470.52 : 13,069.17 = 5,278.77 : x
2. Step 2: Convert to fraction form
   9,470.52/13,069.17 = 5,278.77/x
3. Step 3: Cross multiply
   9,470.52x = 13,069.17 × 5,278.77
4. Step 4: Simplify right side
   9,470.52x = 68,989,142.52
5. Step 5: Solve for x
   x = 68,989,142.52/9,470.52
6. Step 6: Final answer
   x = 7,284.62