Finding the Fourth Proportional to 9,423.47, 13,004.55 and 5,174.93

Step by Step Solution

1. Step 1: Write the proportion equation
   9,423.47 : 13,004.55 = 5,174.93 : x
2. Step 2: Convert to fraction form
   9,423.47/13,004.55 = 5,174.93/x
3. Step 3: Cross multiply
   9,423.47x = 13,004.55 × 5,174.93
4. Step 4: Simplify right side
   9,423.47x = 67,297,635.93
5. Step 5: Solve for x
   x = 67,297,635.93/9,423.47
6. Step 6: Final answer
   x = 7,141.49