Finding the Fourth Proportional to 9,689.40, 14,527.48 and 5,007.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,689.40 : 14,527.48 = 5,007.48 : x
2. Step 2: Convert to fraction form
   9,689.40/14,527.48 = 5,007.48/x
3. Step 3: Cross multiply
   9,689.40x = 14,527.48 × 5,007.48
4. Step 4: Simplify right side
   9,689.40x = 72,746,065.55
5. Step 5: Solve for x
   x = 72,746,065.55/9,689.40
6. Step 6: Final answer
   x = 7,507.80