Finding the Fourth Proportional to 21,432.90, 32,091.76 and 17,467.95

Step by Step Solution

1. Step 1: Write the proportion equation
   21,432.90 : 32,091.76 = 17,467.95 : x
2. Step 2: Convert to fraction form
   21,432.90/32,091.76 = 17,467.95/x
3. Step 3: Cross multiply
   21,432.90x = 32,091.76 × 17,467.95
4. Step 4: Simplify right side
   21,432.90x = 560,577,401.27
5. Step 5: Solve for x
   x = 560,577,401.27/21,432.90
6. Step 6: Final answer
   x = 26,154.99