Finding the Fourth Proportional to 21,499.91, 32,230.62 and 8,349.16

Step by Step Solution

1. Step 1: Write the proportion equation
   21,499.91 : 32,230.62 = 8,349.16 : x
2. Step 2: Convert to fraction form
   21,499.91/32,230.62 = 8,349.16/x
3. Step 3: Cross multiply
   21,499.91x = 32,230.62 × 8,349.16
4. Step 4: Simplify right side
   21,499.91x = 269,098,603.28
5. Step 5: Solve for x
   x = 269,098,603.28/21,499.91
6. Step 6: Final answer
   x = 12,516.27