Finding the Fourth Proportional to 10,549.39, 15,831.87 and 5,002.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,549.39 : 15,831.87 = 5,002.72 : x
2. Step 2: Convert to fraction form
   10,549.39/15,831.87 = 5,002.72/x
3. Step 3: Cross multiply
   10,549.39x = 15,831.87 × 5,002.72
4. Step 4: Simplify right side
   10,549.39x = 79,202,412.69
5. Step 5: Solve for x
   x = 79,202,412.69/10,549.39
6. Step 6: Final answer
   x = 7,507.77