Finding the Fourth Proportional to 13,143.40, 19,697.01 and 5,754.04

Step by Step Solution

1. Step 1: Write the proportion equation
   13,143.40 : 19,697.01 = 5,754.04 : x
2. Step 2: Convert to fraction form
   13,143.40/19,697.01 = 5,754.04/x
3. Step 3: Cross multiply
   13,143.40x = 19,697.01 × 5,754.04
4. Step 4: Simplify right side
   13,143.40x = 113,337,383.42
5. Step 5: Solve for x
   x = 113,337,383.42/13,143.40
6. Step 6: Final answer
   x = 8,623.14