Finding the Fourth Proportional to 23,211.12, 32,045.32 and 21,882.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,211.12 : 32,045.32 = 21,882.72 : x
2. Step 2: Convert to fraction form
   23,211.12/32,045.32 = 21,882.72/x
3. Step 3: Cross multiply
   23,211.12x = 32,045.32 × 21,882.72
4. Step 4: Simplify right side
   23,211.12x = 701,238,764.87
5. Step 5: Solve for x
   x = 701,238,764.87/23,211.12
6. Step 6: Final answer
   x = 30,211.33