Finding the Fourth Proportional to 1,063.59, 1,467.81 and 783.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,063.59 : 1,467.81 = 783.69 : x
2. Step 2: Convert to fraction form
   1,063.59/1,467.81 = 783.69/x
3. Step 3: Cross multiply
   1,063.59x = 1,467.81 × 783.69
4. Step 4: Simplify right side
   1,063.59x = 1,150,308.02
5. Step 5: Solve for x
   x = 1,150,308.02/1,063.59
6. Step 6: Final answer
   x = 1,081.53