Finding the Fourth Proportional to 22,891.98, 31,591.71 and 13,461.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,891.98 : 31,591.71 = 13,461.42 : x
2. Step 2: Convert to fraction form
   22,891.98/31,591.71 = 13,461.42/x
3. Step 3: Cross multiply
   22,891.98x = 31,591.71 × 13,461.42
4. Step 4: Simplify right side
   22,891.98x = 425,269,276.83
5. Step 5: Solve for x
   x = 425,269,276.83/22,891.98
6. Step 6: Final answer
   x = 18,577.22