Finding the Fourth Proportional to 6,798.78, 9,381.42 and 3,814.61

Step by Step Solution

1. Step 1: Write the proportion equation
   6,798.78 : 9,381.42 = 3,814.61 : x
2. Step 2: Convert to fraction form
   6,798.78/9,381.42 = 3,814.61/x
3. Step 3: Cross multiply
   6,798.78x = 9,381.42 × 3,814.61
4. Step 4: Simplify right side
   6,798.78x = 35,786,411.64
5. Step 5: Solve for x
   x = 35,786,411.64/6,798.78
6. Step 6: Final answer
   x = 5,263.65