Finding the Fourth Proportional to 10,643.24, 14,681.04 and 7,612.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,643.24 : 14,681.04 = 7,612.76 : x
2. Step 2: Convert to fraction form
   10,643.24/14,681.04 = 7,612.76/x
3. Step 3: Cross multiply
   10,643.24x = 14,681.04 × 7,612.76
4. Step 4: Simplify right side
   10,643.24x = 111,763,234.07
5. Step 5: Solve for x
   x = 111,763,234.07/10,643.24
6. Step 6: Final answer
   x = 10,500.87