Finding the Fourth Proportional to 22,085.53, 30,489.32 and 17,038.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,085.53 : 30,489.32 = 17,038.42 : x
2. Step 2: Convert to fraction form
   22,085.53/30,489.32 = 17,038.42/x
3. Step 3: Cross multiply
   22,085.53x = 30,489.32 × 17,038.42
4. Step 4: Simplify right side
   22,085.53x = 519,489,839.67
5. Step 5: Solve for x
   x = 519,489,839.67/22,085.53
6. Step 6: Final answer
   x = 23,521.73