Finding the Fourth Proportional to 10,426.24, 15,632.88 and 5,812.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,426.24 : 15,632.88 = 5,812.48 : x
2. Step 2: Convert to fraction form
   10,426.24/15,632.88 = 5,812.48/x
3. Step 3: Cross multiply
   10,426.24x = 15,632.88 × 5,812.48
4. Step 4: Simplify right side
   10,426.24x = 90,865,802.34
5. Step 5: Solve for x
   x = 90,865,802.34/10,426.24
6. Step 6: Final answer
   x = 8,715.11