Finding the Fourth Proportional to 9,010.26, 13,521.72 and 3,167.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,010.26 : 13,521.72 = 3,167.28 : x
2. Step 2: Convert to fraction form
   9,010.26/13,521.72 = 3,167.28/x
3. Step 3: Cross multiply
   9,010.26x = 13,521.72 × 3,167.28
4. Step 4: Simplify right side
   9,010.26x = 42,827,073.32
5. Step 5: Solve for x
   x = 42,827,073.32/9,010.26
6. Step 6: Final answer
   x = 4,753.15