Finding the Fourth Proportional to 23,443.83, 32,367.58 and 20,921.61

Step by Step Solution

1. Step 1: Write the proportion equation
   23,443.83 : 32,367.58 = 20,921.61 : x
2. Step 2: Convert to fraction form
   23,443.83/32,367.58 = 20,921.61/x
3. Step 3: Cross multiply
   23,443.83x = 32,367.58 × 20,921.61
4. Step 4: Simplify right side
   23,443.83x = 677,181,833.10
5. Step 5: Solve for x
   x = 677,181,833.10/23,443.83
6. Step 6: Final answer
   x = 28,885.29