Finding the Fourth Proportional to 1,373.70, 1,895.83 and 784.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.70 : 1,895.83 = 784.43 : x
2. Step 2: Convert to fraction form
   1,373.70/1,895.83 = 784.43/x
3. Step 3: Cross multiply
   1,373.70x = 1,895.83 × 784.43
4. Step 4: Simplify right side
   1,373.70x = 1,487,145.93
5. Step 5: Solve for x
   x = 1,487,145.93/1,373.70
6. Step 6: Final answer
   x = 1,082.58