Finding the Fourth Proportional to 1,412.52, 1,949.16 and 783.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,412.52 : 1,949.16 = 783.06 : x
2. Step 2: Convert to fraction form
   1,412.52/1,949.16 = 783.06/x
3. Step 3: Cross multiply
   1,412.52x = 1,949.16 × 783.06
4. Step 4: Simplify right side
   1,412.52x = 1,526,309.23
5. Step 5: Solve for x
   x = 1,526,309.23/1,412.52
6. Step 6: Final answer
   x = 1,080.56