Finding the Fourth Proportional to 22,607, 31,198.04 and 12,535.86

Step by Step Solution

1. Step 1: Write the proportion equation
   22,607 : 31,198.04 = 12,535.86 : x
2. Step 2: Convert to fraction form
   22,607/31,198.04 = 12,535.86/x
3. Step 3: Cross multiply
   22,607x = 31,198.04 × 12,535.86
4. Step 4: Simplify right side
   22,607x = 391,094,261.71
5. Step 5: Solve for x
   x = 391,094,261.71/22,607
6. Step 6: Final answer
   x = 17,299.70