Finding the Fourth Proportional to 23,089.34, 34,567.58 and 20,685.26

Step by Step Solution

1. Step 1: Write the proportion equation
   23,089.34 : 34,567.58 = 20,685.26 : x
2. Step 2: Convert to fraction form
   23,089.34/34,567.58 = 20,685.26/x
3. Step 3: Cross multiply
   23,089.34x = 34,567.58 × 20,685.26
4. Step 4: Simplify right side
   23,089.34x = 715,039,103.61
5. Step 5: Solve for x
   x = 715,039,103.61/23,089.34
6. Step 6: Final answer
   x = 30,968.37