Finding the Fourth Proportional to 9,422.02, 13,002.54 and 5,173.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,422.02 : 13,002.54 = 5,173.48 : x
2. Step 2: Convert to fraction form
   9,422.02/13,002.54 = 5,173.48/x
3. Step 3: Cross multiply
   9,422.02x = 13,002.54 × 5,173.48
4. Step 4: Simplify right side
   9,422.02x = 67,268,380.64
5. Step 5: Solve for x
   x = 67,268,380.64/9,422.02
6. Step 6: Final answer
   x = 7,139.49