Finding the Fourth Proportional to 1,132.86, 1,562.76 and 782.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,132.86 : 1,562.76 = 782.94 : x
2. Step 2: Convert to fraction form
   1,132.86/1,562.76 = 782.94/x
3. Step 3: Cross multiply
   1,132.86x = 1,562.76 × 782.94
4. Step 4: Simplify right side
   1,132.86x = 1,223,547.31
5. Step 5: Solve for x
   x = 1,223,547.31/1,132.86
6. Step 6: Final answer
   x = 1,080.05