Finding the Fourth Proportional to 1,373.94, 1,896.12 and 784.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.94 : 1,896.12 = 784.53 : x
2. Step 2: Convert to fraction form
   1,373.94/1,896.12 = 784.53/x
3. Step 3: Cross multiply
   1,373.94x = 1,896.12 × 784.53
4. Step 4: Simplify right side
   1,373.94x = 1,487,563.02
5. Step 5: Solve for x
   x = 1,487,563.02/1,373.94
6. Step 6: Final answer
   x = 1,082.70