Finding the Fourth Proportional to 3,463.59, 5,188.62 and 2,078.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,463.59 : 5,188.62 = 2,078.10 : x
2. Step 2: Convert to fraction form
   3,463.59/5,188.62 = 2,078.10/x
3. Step 3: Cross multiply
   3,463.59x = 5,188.62 × 2,078.10
4. Step 4: Simplify right side
   3,463.59x = 10,782,471.22
5. Step 5: Solve for x
   x = 10,782,471.22/3,463.59
6. Step 6: Final answer
   x = 3,113.09