Finding the Fourth Proportional to 1,412.99, 1,949.89 and 783.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,412.99 : 1,949.89 = 783.52 : x
2. Step 2: Convert to fraction form
   1,412.99/1,949.89 = 783.52/x
3. Step 3: Cross multiply
   1,412.99x = 1,949.89 × 783.52
4. Step 4: Simplify right side
   1,412.99x = 1,527,764.15
5. Step 5: Solve for x
   x = 1,527,764.15/1,412.99
6. Step 6: Final answer
   x = 1,081.23