Finding the Fourth Proportional to 21,632.78, 32,452.60 and 9,152.89

Step by Step Solution

1. Step 1: Write the proportion equation
   21,632.78 : 32,452.60 = 9,152.89 : x
2. Step 2: Convert to fraction form
   21,632.78/32,452.60 = 9,152.89/x
3. Step 3: Cross multiply
   21,632.78x = 32,452.60 × 9,152.89
4. Step 4: Simplify right side
   21,632.78x = 297,035,200.04
5. Step 5: Solve for x
   x = 297,035,200.04/21,632.78
6. Step 6: Final answer
   x = 13,730.79