Finding the Fourth Proportional to 10,626.48, 15,931.98 and 5,002.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,626.48 : 15,931.98 = 5,002.20 : x
2. Step 2: Convert to fraction form
   10,626.48/15,931.98 = 5,002.20/x
3. Step 3: Cross multiply
   10,626.48x = 15,931.98 × 5,002.20
4. Step 4: Simplify right side
   10,626.48x = 79,694,950.36
5. Step 5: Solve for x
   x = 79,694,950.36/10,626.48
6. Step 6: Final answer
   x = 7,499.66