Finding the Fourth Proportional to 1,063.69, 1,467.50 and 784.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,063.69 : 1,467.50 = 784.60 : x
2. Step 2: Convert to fraction form
   1,063.69/1,467.50 = 784.60/x
3. Step 3: Cross multiply
   1,063.69x = 1,467.50 × 784.60
4. Step 4: Simplify right side
   1,063.69x = 1,151,392.91
5. Step 5: Solve for x
   x = 1,151,392.91/1,063.69
6. Step 6: Final answer
   x = 1,082.45