Finding the Fourth Proportional to 19,600.89, 29,406.21 and 5,749.89

Step by Step Solution

1. Step 1: Write the proportion equation
   19,600.89 : 29,406.21 = 5,749.89 : x
2. Step 2: Convert to fraction form
   19,600.89/29,406.21 = 5,749.89/x
3. Step 3: Cross multiply
   19,600.89x = 29,406.21 × 5,749.89
4. Step 4: Simplify right side
   19,600.89x = 169,082,472.82
5. Step 5: Solve for x
   x = 169,082,472.82/19,600.89
6. Step 6: Final answer
   x = 8,626.27