Finding the Fourth Proportional to 3,987.91, 5,506.55 and 3,567.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,987.91 : 5,506.55 = 3,567.52 : x
2. Step 2: Convert to fraction form
   3,987.91/5,506.55 = 3,567.52/x
3. Step 3: Cross multiply
   3,987.91x = 5,506.55 × 3,567.52
4. Step 4: Simplify right side
   3,987.91x = 19,644,727.26
5. Step 5: Solve for x
   x = 19,644,727.26/3,987.91
6. Step 6: Final answer
   x = 4,926.07