Finding the Fourth Proportional to 5,978.52, 8,971.02 and 2,515.68

Step by Step Solution

1. Step 1: Write the proportion equation
   5,978.52 : 8,971.02 = 2,515.68 : x
2. Step 2: Convert to fraction form
   5,978.52/8,971.02 = 2,515.68/x
3. Step 3: Cross multiply
   5,978.52x = 8,971.02 × 2,515.68
4. Step 4: Simplify right side
   5,978.52x = 22,568,215.59
5. Step 5: Solve for x
   x = 22,568,215.59/5,978.52
6. Step 6: Final answer
   x = 3,774.88