Finding the Fourth Proportional to 22,632.34, 31,228.86 and 12,559.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,632.34 : 31,228.86 = 12,559.18 : x
2. Step 2: Convert to fraction form
   22,632.34/31,228.86 = 12,559.18/x
3. Step 3: Cross multiply
   22,632.34x = 31,228.86 × 12,559.18
4. Step 4: Simplify right side
   22,632.34x = 392,208,873.93
5. Step 5: Solve for x
   x = 392,208,873.93/22,632.34
6. Step 6: Final answer
   x = 17,329.58