Finding the Fourth Proportional to 22,590.16, 31,155.12 and 17,866.24

Step by Step Solution

1. Step 1: Write the proportion equation
   22,590.16 : 31,155.12 = 17,866.24 : x
2. Step 2: Convert to fraction form
   22,590.16/31,155.12 = 17,866.24/x
3. Step 3: Cross multiply
   22,590.16x = 31,155.12 × 17,866.24
4. Step 4: Simplify right side
   22,590.16x = 556,624,851.15
5. Step 5: Solve for x
   x = 556,624,851.15/22,590.16
6. Step 6: Final answer
   x = 24,640.15