Finding the Fourth Proportional to 22,843.50, 31,524.03 and 12,907.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,843.50 : 31,524.03 = 12,907.50 : x
2. Step 2: Convert to fraction form
   22,843.50/31,524.03 = 12,907.50/x
3. Step 3: Cross multiply
   22,843.50x = 31,524.03 × 12,907.50
4. Step 4: Simplify right side
   22,843.50x = 406,896,417.23
5. Step 5: Solve for x
   x = 406,896,417.23/22,843.50
6. Step 6: Final answer
   x = 17,812.35