Finding the Fourth Proportional to 22,853.89, 31,538.14 and 12,782.35

Step by Step Solution

1. Step 1: Write the proportion equation
   22,853.89 : 31,538.14 = 12,782.35 : x
2. Step 2: Convert to fraction form
   22,853.89/31,538.14 = 12,782.35/x
3. Step 3: Cross multiply
   22,853.89x = 31,538.14 × 12,782.35
4. Step 4: Simplify right side
   22,853.89x = 403,131,543.83
5. Step 5: Solve for x
   x = 403,131,543.83/22,853.89
6. Step 6: Final answer
   x = 17,639.52