Finding the Fourth Proportional to 22,680.53, 31,288.24 and 19,531.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,680.53 : 31,288.24 = 19,531.25 : x
2. Step 2: Convert to fraction form
   22,680.53/31,288.24 = 19,531.25/x
3. Step 3: Cross multiply
   22,680.53x = 31,288.24 × 19,531.25
4. Step 4: Simplify right side
   22,680.53x = 611,098,437.50
5. Step 5: Solve for x
   x = 611,098,437.50/22,680.53
6. Step 6: Final answer
   x = 26,943.75