Finding the Fourth Proportional to 22,595.86, 31,147.72 and 15,862.60

Step by Step Solution

1. Step 1: Write the proportion equation
   22,595.86 : 31,147.72 = 15,862.60 : x
2. Step 2: Convert to fraction form
   22,595.86/31,147.72 = 15,862.60/x
3. Step 3: Cross multiply
   22,595.86x = 31,147.72 × 15,862.60
4. Step 4: Simplify right side
   22,595.86x = 494,083,823.27
5. Step 5: Solve for x
   x = 494,083,823.27/22,595.86
6. Step 6: Final answer
   x = 21,866.12