Finding the Fourth Proportional to 9,422.35, 13,003.04 and 5,173.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,422.35 : 13,003.04 = 5,173.58 : x
2. Step 2: Convert to fraction form
   9,422.35/13,003.04 = 5,173.58/x
3. Step 3: Cross multiply
   9,422.35x = 13,003.04 × 5,173.58
4. Step 4: Simplify right side
   9,422.35x = 67,272,267.68
5. Step 5: Solve for x
   x = 67,272,267.68/9,422.35
6. Step 6: Final answer
   x = 7,139.65