Finding the Fourth Proportional to 1,373.91, 1,895.49 and 784.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.91 : 1,895.49 = 784.09 : x
2. Step 2: Convert to fraction form
   1,373.91/1,895.49 = 784.09/x
3. Step 3: Cross multiply
   1,373.91x = 1,895.49 × 784.09
4. Step 4: Simplify right side
   1,373.91x = 1,486,234.75
5. Step 5: Solve for x
   x = 1,486,234.75/1,373.91
6. Step 6: Final answer
   x = 1,081.76