Finding the Fourth Proportional to 22,513.74, 31,068.78 and 12,441.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,513.74 : 31,068.78 = 12,441.96 : x
2. Step 2: Convert to fraction form
   22,513.74/31,068.78 = 12,441.96/x
3. Step 3: Cross multiply
   22,513.74x = 31,068.78 × 12,441.96
4. Step 4: Simplify right side
   22,513.74x = 386,556,518.01
5. Step 5: Solve for x
   x = 386,556,518.01/22,513.74
6. Step 6: Final answer
   x = 17,169.80