Finding the Fourth Proportional to 23,085.52, 31,858.14 and 13,531.04

Step by Step Solution

1. Step 1: Write the proportion equation
   23,085.52 : 31,858.14 = 13,531.04 : x
2. Step 2: Convert to fraction form
   23,085.52/31,858.14 = 13,531.04/x
3. Step 3: Cross multiply
   23,085.52x = 31,858.14 × 13,531.04
4. Step 4: Simplify right side
   23,085.52x = 431,073,766.67
5. Step 5: Solve for x
   x = 431,073,766.67/23,085.52
6. Step 6: Final answer
   x = 18,672.91