Finding the Fourth Proportional to 1,373.92, 1,896.18 and 784.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.92 : 1,896.18 = 784.54 : x
2. Step 2: Convert to fraction form
   1,373.92/1,896.18 = 784.54/x
3. Step 3: Cross multiply
   1,373.92x = 1,896.18 × 784.54
4. Step 4: Simplify right side
   1,373.92x = 1,487,629.06
5. Step 5: Solve for x
   x = 1,487,629.06/1,373.92
6. Step 6: Final answer
   x = 1,082.76