Finding the Fourth Proportional to 3,111.38, 4,294.11 and 1,784.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.38 : 4,294.11 = 1,784.83 : x
2. Step 2: Convert to fraction form
   3,111.38/4,294.11 = 1,784.83/x
3. Step 3: Cross multiply
   3,111.38x = 4,294.11 × 1,784.83
4. Step 4: Simplify right side
   3,111.38x = 7,664,256.35
5. Step 5: Solve for x
   x = 7,664,256.35/3,111.38
6. Step 6: Final answer
   x = 2,463.30