Finding the Fourth Proportional to 1,344.01, 1,855.32 and 784.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,344.01 : 1,855.32 = 784.27 : x
2. Step 2: Convert to fraction form
   1,344.01/1,855.32 = 784.27/x
3. Step 3: Cross multiply
   1,344.01x = 1,855.32 × 784.27
4. Step 4: Simplify right side
   1,344.01x = 1,455,062.54
5. Step 5: Solve for x
   x = 1,455,062.54/1,344.01
6. Step 6: Final answer
   x = 1,082.63