Finding the Fourth Proportional to 23,234.16, 32,108.76 and 20,642.16

Step by Step Solution

1. Step 1: Write the proportion equation
   23,234.16 : 32,108.76 = 20,642.16 : x
2. Step 2: Convert to fraction form
   23,234.16/32,108.76 = 20,642.16/x
3. Step 3: Cross multiply
   23,234.16x = 32,108.76 × 20,642.16
4. Step 4: Simplify right side
   23,234.16x = 662,794,161.32
5. Step 5: Solve for x
   x = 662,794,161.32/23,234.16
6. Step 6: Final answer
   x = 28,526.71