Finding the Fourth Proportional to 9,499.63, 13,106.28 and 5,517.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,499.63 : 13,106.28 = 5,517.47 : x
2. Step 2: Convert to fraction form
   9,499.63/13,106.28 = 5,517.47/x
3. Step 3: Cross multiply
   9,499.63x = 13,106.28 × 5,517.47
4. Step 4: Simplify right side
   9,499.63x = 72,313,470.93
5. Step 5: Solve for x
   x = 72,313,470.93/9,499.63
6. Step 6: Final answer
   x = 7,612.24