Finding the Fourth Proportional to 17,429.40, 26,144.91 and 5,742.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,429.40 : 26,144.91 = 5,742.72 : x
2. Step 2: Convert to fraction form
   17,429.40/26,144.91 = 5,742.72/x
3. Step 3: Cross multiply
   17,429.40x = 26,144.91 × 5,742.72
4. Step 4: Simplify right side
   17,429.40x = 150,142,897.56
5. Step 5: Solve for x
   x = 150,142,897.56/17,429.40
6. Step 6: Final answer
   x = 8,614.35