Finding the Fourth Proportional to 2,730.15, 4,095.59 and 782.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,730.15 : 4,095.59 = 782.42 : x
2. Step 2: Convert to fraction form
   2,730.15/4,095.59 = 782.42/x
3. Step 3: Cross multiply
   2,730.15x = 4,095.59 × 782.42
4. Step 4: Simplify right side
   2,730.15x = 3,204,447.14
5. Step 5: Solve for x
   x = 3,204,447.14/2,730.15
6. Step 6: Final answer
   x = 1,173.73