Finding the Fourth Proportional to 22,500.10, 31,050.15 and 12,291.27

Step by Step Solution

1. Step 1: Write the proportion equation
   22,500.10 : 31,050.15 = 12,291.27 : x
2. Step 2: Convert to fraction form
   22,500.10/31,050.15 = 12,291.27/x
3. Step 3: Cross multiply
   22,500.10x = 31,050.15 × 12,291.27
4. Step 4: Simplify right side
   22,500.10x = 381,645,614.66
5. Step 5: Solve for x
   x = 381,645,614.66/22,500.10
6. Step 6: Final answer
   x = 16,961.96