Finding the Fourth Proportional to 1,784.35, 2,677.61 and 919.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,784.35 : 2,677.61 = 919.27 : x
2. Step 2: Convert to fraction form
   1,784.35/2,677.61 = 919.27/x
3. Step 3: Cross multiply
   1,784.35x = 2,677.61 × 919.27
4. Step 4: Simplify right side
   1,784.35x = 2,461,446.54
5. Step 5: Solve for x
   x = 2,461,446.54/1,784.35
6. Step 6: Final answer
   x = 1,379.46