Finding the Fourth Proportional to 22,617.86, 31,210.54 and 12,546.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,617.86 : 31,210.54 = 12,546.12 : x
2. Step 2: Convert to fraction form
   22,617.86/31,210.54 = 12,546.12/x
3. Step 3: Cross multiply
   22,617.86x = 31,210.54 × 12,546.12
4. Step 4: Simplify right side
   22,617.86x = 391,571,180.10
5. Step 5: Solve for x
   x = 391,571,180.10/22,617.86
6. Step 6: Final answer
   x = 17,312.48