Finding the Fourth Proportional to 3,911.04, 5,396.72 and 2,513.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,911.04 : 5,396.72 = 2,513.52 : x
2. Step 2: Convert to fraction form
   3,911.04/5,396.72 = 2,513.52/x
3. Step 3: Cross multiply
   3,911.04x = 5,396.72 × 2,513.52
4. Step 4: Simplify right side
   3,911.04x = 13,564,763.65
5. Step 5: Solve for x
   x = 13,564,763.65/3,911.04
6. Step 6: Final answer
   x = 3,468.33