Finding the Fourth Proportional to 9,290.16, 13,932.72 and 3,743.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,290.16 : 13,932.72 = 3,743.28 : x
2. Step 2: Convert to fraction form
   9,290.16/13,932.72 = 3,743.28/x
3. Step 3: Cross multiply
   9,290.16x = 13,932.72 × 3,743.28
4. Step 4: Simplify right side
   9,290.16x = 52,154,072.12
5. Step 5: Solve for x
   x = 52,154,072.12/9,290.16
6. Step 6: Final answer
   x = 5,613.90