Finding the Fourth Proportional to 22,359.02, 30,867.64 and 15,665.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,359.02 : 30,867.64 = 15,665.18 : x
2. Step 2: Convert to fraction form
   22,359.02/30,867.64 = 15,665.18/x
3. Step 3: Cross multiply
   22,359.02x = 30,867.64 × 15,665.18
4. Step 4: Simplify right side
   22,359.02x = 483,547,136.78
5. Step 5: Solve for x
   x = 483,547,136.78/22,359.02
6. Step 6: Final answer
   x = 21,626.49