Finding the Fourth Proportional to 21,430.43, 32,150.74 and 8,943.52

Step by Step Solution

1. Step 1: Write the proportion equation
   21,430.43 : 32,150.74 = 8,943.52 : x
2. Step 2: Convert to fraction form
   21,430.43/32,150.74 = 8,943.52/x
3. Step 3: Cross multiply
   21,430.43x = 32,150.74 × 8,943.52
4. Step 4: Simplify right side
   21,430.43x = 287,540,786.20
5. Step 5: Solve for x
   x = 287,540,786.20/21,430.43
6. Step 6: Final answer
   x = 13,417.41