Finding the Fourth Proportional to 22,919.86, 31,595.61 and 17,878.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,919.86 : 31,595.61 = 17,878.42 : x
2. Step 2: Convert to fraction form
   22,919.86/31,595.61 = 17,878.42/x
3. Step 3: Cross multiply
   22,919.86x = 31,595.61 × 17,878.42
4. Step 4: Simplify right side
   22,919.86x = 564,879,585.74
5. Step 5: Solve for x
   x = 564,879,585.74/22,919.86
6. Step 6: Final answer
   x = 24,645.86