Finding the Fourth Proportional to 9,538.62, 14,307.72 and 2,613.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,538.62 : 14,307.72 = 2,613.12 : x
2. Step 2: Convert to fraction form
   9,538.62/14,307.72 = 2,613.12/x
3. Step 3: Cross multiply
   9,538.62x = 14,307.72 × 2,613.12
4. Step 4: Simplify right side
   9,538.62x = 37,387,789.29
5. Step 5: Solve for x
   x = 37,387,789.29/9,538.62
6. Step 6: Final answer
   x = 3,919.62