Finding the Fourth Proportional to 22,540.77, 31,106.29 and 12,331.93

Step by Step Solution

1. Step 1: Write the proportion equation
   22,540.77 : 31,106.29 = 12,331.93 : x
2. Step 2: Convert to fraction form
   22,540.77/31,106.29 = 12,331.93/x
3. Step 3: Cross multiply
   22,540.77x = 31,106.29 × 12,331.93
4. Step 4: Simplify right side
   22,540.77x = 383,600,590.84
5. Step 5: Solve for x
   x = 383,600,590.84/22,540.77
6. Step 6: Final answer
   x = 17,018.08