Finding the Fourth Proportional to 6,767.74, 9,340.34 and 3,784.18

Step by Step Solution

1. Step 1: Write the proportion equation
   6,767.74 : 9,340.34 = 3,784.18 : x
2. Step 2: Convert to fraction form
   6,767.74/9,340.34 = 3,784.18/x
3. Step 3: Cross multiply
   6,767.74x = 9,340.34 × 3,784.18
4. Step 4: Simplify right side
   6,767.74x = 35,345,527.82
5. Step 5: Solve for x
   x = 35,345,527.82/6,767.74
6. Step 6: Final answer
   x = 5,222.65