Finding the Fourth Proportional to 22,432.67, 30,732.91 and 21,591.89

Step by Step Solution

1. Step 1: Write the proportion equation
   22,432.67 : 30,732.91 = 21,591.89 : x
2. Step 2: Convert to fraction form
   22,432.67/30,732.91 = 21,591.89/x
3. Step 3: Cross multiply
   22,432.67x = 30,732.91 × 21,591.89
4. Step 4: Simplify right side
   22,432.67x = 663,581,612.10
5. Step 5: Solve for x
   x = 663,581,612.10/22,432.67
6. Step 6: Final answer
   x = 29,581.04