Finding the Fourth Proportional to 9,470.39, 13,064.33 and 7,228.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,470.39 : 13,064.33 = 7,228.37 : x
2. Step 2: Convert to fraction form
   9,470.39/13,064.33 = 7,228.37/x
3. Step 3: Cross multiply
   9,470.39x = 13,064.33 × 7,228.37
4. Step 4: Simplify right side
   9,470.39x = 94,433,774.90
5. Step 5: Solve for x
   x = 94,433,774.90/9,470.39
6. Step 6: Final answer
   x = 9,971.48