Finding the Fourth Proportional to 9,423.29, 13,004.30 and 5,174.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,423.29 : 13,004.30 = 5,174.75 : x
2. Step 2: Convert to fraction form
   9,423.29/13,004.30 = 5,174.75/x
3. Step 3: Cross multiply
   9,423.29x = 13,004.30 × 5,174.75
4. Step 4: Simplify right side
   9,423.29x = 67,294,001.43
5. Step 5: Solve for x
   x = 67,294,001.43/9,423.29
6. Step 6: Final answer
   x = 7,141.24