Finding the Fourth Proportional to 3,976.93, 5,488.17 and 2,405.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,976.93 : 5,488.17 = 2,405.02 : x
2. Step 2: Convert to fraction form
   3,976.93/5,488.17 = 2,405.02/x
3. Step 3: Cross multiply
   3,976.93x = 5,488.17 × 2,405.02
4. Step 4: Simplify right side
   3,976.93x = 13,199,158.61
5. Step 5: Solve for x
   x = 13,199,158.61/3,976.93
6. Step 6: Final answer
   x = 3,318.93