Finding the Fourth Proportional to 3,978.69, 5,964.91 and 2,514.77

Step by Step Solution

1. Step 1: Write the proportion equation
   3,978.69 : 5,964.91 = 2,514.77 : x
2. Step 2: Convert to fraction form
   3,978.69/5,964.91 = 2,514.77/x
3. Step 3: Cross multiply
   3,978.69x = 5,964.91 × 2,514.77
4. Step 4: Simplify right side
   3,978.69x = 15,000,340.61
5. Step 5: Solve for x
   x = 15,000,340.61/3,978.69
6. Step 6: Final answer
   x = 3,770.18