Finding the Fourth Proportional to 2,730.47, 4,096.32 and 782.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,730.47 : 4,096.32 = 782.69 : x
2. Step 2: Convert to fraction form
   2,730.47/4,096.32 = 782.69/x
3. Step 3: Cross multiply
   2,730.47x = 4,096.32 × 782.69
4. Step 4: Simplify right side
   2,730.47x = 3,206,144.79
5. Step 5: Solve for x
   x = 3,206,144.79/2,730.47
6. Step 6: Final answer
   x = 1,174.21