Finding the Fourth Proportional to 2,436.86, 3,362.86 and 1,317.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,436.86 : 3,362.86 = 1,317.80 : x
2. Step 2: Convert to fraction form
   2,436.86/3,362.86 = 1,317.80/x
3. Step 3: Cross multiply
   2,436.86x = 3,362.86 × 1,317.80
4. Step 4: Simplify right side
   2,436.86x = 4,431,576.91
5. Step 5: Solve for x
   x = 4,431,576.91/2,436.86
6. Step 6: Final answer
   x = 1,818.56