Finding the Fourth Proportional to 23,210.12, 32,043.94 and 21,881.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,210.12 : 32,043.94 = 21,881.72 : x
2. Step 2: Convert to fraction form
   23,210.12/32,043.94 = 21,881.72/x
3. Step 3: Cross multiply
   23,210.12x = 32,043.94 × 21,881.72
4. Step 4: Simplify right side
   23,210.12x = 701,176,522.78
5. Step 5: Solve for x
   x = 701,176,522.78/23,210.12
6. Step 6: Final answer
   x = 30,209.95