Finding the Fourth Proportional to 9,422.04, 13,002.56 and 5,173.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,422.04 : 13,002.56 = 5,173.50 : x
2. Step 2: Convert to fraction form
   9,422.04/13,002.56 = 5,173.50/x
3. Step 3: Cross multiply
   9,422.04x = 13,002.56 × 5,173.50
4. Step 4: Simplify right side
   9,422.04x = 67,268,744.16
5. Step 5: Solve for x
   x = 67,268,744.16/9,422.04
6. Step 6: Final answer
   x = 7,139.51