Finding the Fourth Proportional to 3,978.25, 5,927.39 and 3,754.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,978.25 : 5,927.39 = 3,754.69 : x
2. Step 2: Convert to fraction form
   3,978.25/5,927.39 = 3,754.69/x
3. Step 3: Cross multiply
   3,978.25x = 5,927.39 × 3,754.69
4. Step 4: Simplify right side
   3,978.25x = 22,255,492.45
5. Step 5: Solve for x
   x = 22,255,492.45/3,978.25
6. Step 6: Final answer
   x = 5,594.30