Finding the Fourth Proportional to 21,097.08, 29,114.03 and 12,144.42

Step by Step Solution

1. Step 1: Write the proportion equation
   21,097.08 : 29,114.03 = 12,144.42 : x
2. Step 2: Convert to fraction form
   21,097.08/29,114.03 = 12,144.42/x
3. Step 3: Cross multiply
   21,097.08x = 29,114.03 × 12,144.42
4. Step 4: Simplify right side
   21,097.08x = 353,573,038.57
5. Step 5: Solve for x
   x = 353,573,038.57/21,097.08
6. Step 6: Final answer
   x = 16,759.34