Finding the Fourth Proportional to 21,433.71, 32,152.71 and 7,391.89

Step by Step Solution

1. Step 1: Write the proportion equation
   21,433.71 : 32,152.71 = 7,391.89 : x
2. Step 2: Convert to fraction form
   21,433.71/32,152.71 = 7,391.89/x
3. Step 3: Cross multiply
   21,433.71x = 32,152.71 × 7,391.89
4. Step 4: Simplify right side
   21,433.71x = 237,669,363.43
5. Step 5: Solve for x
   x = 237,669,363.43/21,433.71
6. Step 6: Final answer
   x = 11,088.58