Finding the Fourth Proportional to 22,531.95, 31,097.88 and 13,580.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,531.95 : 31,097.88 = 13,580.82 : x
2. Step 2: Convert to fraction form
   22,531.95/31,097.88 = 13,580.82/x
3. Step 3: Cross multiply
   22,531.95x = 31,097.88 × 13,580.82
4. Step 4: Simplify right side
   22,531.95x = 422,334,710.66
5. Step 5: Solve for x
   x = 422,334,710.66/22,531.95
6. Step 6: Final answer
   x = 18,743.82