Finding the Fourth Proportional to 22,659.04, 31,267.98 and 12,587.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,659.04 : 31,267.98 = 12,587.50 : x
2. Step 2: Convert to fraction form
   22,659.04/31,267.98 = 12,587.50/x
3. Step 3: Cross multiply
   22,659.04x = 31,267.98 × 12,587.50
4. Step 4: Simplify right side
   22,659.04x = 393,585,698.25
5. Step 5: Solve for x
   x = 393,585,698.25/22,659.04
6. Step 6: Final answer
   x = 17,369.92