Finding the Fourth Proportional to 9,236.78, 13,860.69 and 3,393.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,236.78 : 13,860.69 = 3,393.98 : x
2. Step 2: Convert to fraction form
   9,236.78/13,860.69 = 3,393.98/x
3. Step 3: Cross multiply
   9,236.78x = 13,860.69 × 3,393.98
4. Step 4: Simplify right side
   9,236.78x = 47,042,904.65
5. Step 5: Solve for x
   x = 47,042,904.65/9,236.78
6. Step 6: Final answer
   x = 5,093.00