Finding the Fourth Proportional to 21,541.34, 29,728.42 and 12,110.52

Step by Step Solution

1. Step 1: Write the proportion equation
   21,541.34 : 29,728.42 = 12,110.52 : x
2. Step 2: Convert to fraction form
   21,541.34/29,728.42 = 12,110.52/x
3. Step 3: Cross multiply
   21,541.34x = 29,728.42 × 12,110.52
4. Step 4: Simplify right side
   21,541.34x = 360,026,624.98
5. Step 5: Solve for x
   x = 360,026,624.98/21,541.34
6. Step 6: Final answer
   x = 16,713.29