Finding the Fourth Proportional to 3,987.64, 5,502.72 and 2,495.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,987.64 : 5,502.72 = 2,495.52 : x
2. Step 2: Convert to fraction form
   3,987.64/5,502.72 = 2,495.52/x
3. Step 3: Cross multiply
   3,987.64x = 5,502.72 × 2,495.52
4. Step 4: Simplify right side
   3,987.64x = 13,732,147.81
5. Step 5: Solve for x
   x = 13,732,147.81/3,987.64
6. Step 6: Final answer
   x = 3,443.68