Finding the Fourth Proportional to 1,373.96, 1,896.18 and 784.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.96 : 1,896.18 = 784.52 : x
2. Step 2: Convert to fraction form
   1,373.96/1,896.18 = 784.52/x
3. Step 3: Cross multiply
   1,373.96x = 1,896.18 × 784.52
4. Step 4: Simplify right side
   1,373.96x = 1,487,591.13
5. Step 5: Solve for x
   x = 1,487,591.13/1,373.96
6. Step 6: Final answer
   x = 1,082.70