Finding the Fourth Proportional to 21,591.89, 29,796.50 and 12,032.18

Step by Step Solution

1. Step 1: Write the proportion equation
   21,591.89 : 29,796.50 = 12,032.18 : x
2. Step 2: Convert to fraction form
   21,591.89/29,796.50 = 12,032.18/x
3. Step 3: Cross multiply
   21,591.89x = 29,796.50 × 12,032.18
4. Step 4: Simplify right side
   21,591.89x = 358,516,806.96
5. Step 5: Solve for x
   x = 358,516,806.96/21,591.89
6. Step 6: Final answer
   x = 16,604.24