Finding the Fourth Proportional to 2,478.18, 3,713.81 and 1,160.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,478.18 : 3,713.81 = 1,160.52 : x
2. Step 2: Convert to fraction form
   2,478.18/3,713.81 = 1,160.52/x
3. Step 3: Cross multiply
   2,478.18x = 3,713.81 × 1,160.52
4. Step 4: Simplify right side
   2,478.18x = 4,309,944.98
5. Step 5: Solve for x
   x = 4,309,944.98/2,478.18
6. Step 6: Final answer
   x = 1,739.16