Finding the Fourth Proportional to 22,519.86, 31,091.42 and 15,633.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,519.86 : 31,091.42 = 15,633.52 : x
2. Step 2: Convert to fraction form
   22,519.86/31,091.42 = 15,633.52/x
3. Step 3: Cross multiply
   22,519.86x = 31,091.42 × 15,633.52
4. Step 4: Simplify right side
   22,519.86x = 486,068,336.40
5. Step 5: Solve for x
   x = 486,068,336.40/22,519.86
6. Step 6: Final answer
   x = 21,583.99