Finding the Fourth Proportional to 9,423.52, 13,004.56 and 5,174.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,423.52 : 13,004.56 = 5,174.48 : x
2. Step 2: Convert to fraction form
   9,423.52/13,004.56 = 5,174.48/x
3. Step 3: Cross multiply
   9,423.52x = 13,004.56 × 5,174.48
4. Step 4: Simplify right side
   9,423.52x = 67,291,835.63
5. Step 5: Solve for x
   x = 67,291,835.63/9,423.52
6. Step 6: Final answer
   x = 7,140.84