Finding the Fourth Proportional to 3,945.91, 5,444.89 and 2,374.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,945.91 : 5,444.89 = 2,374.15 : x
2. Step 2: Convert to fraction form
   3,945.91/5,444.89 = 2,374.15/x
3. Step 3: Cross multiply
   3,945.91x = 5,444.89 × 2,374.15
4. Step 4: Simplify right side
   3,945.91x = 12,926,985.59
5. Step 5: Solve for x
   x = 12,926,985.59/3,945.91
6. Step 6: Final answer
   x = 3,276.05