Finding the Fourth Proportional to 2,384.67, 3,290.85 and 1,336.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,384.67 : 3,290.85 = 1,336.74 : x
2. Step 2: Convert to fraction form
   2,384.67/3,290.85 = 1,336.74/x
3. Step 3: Cross multiply
   2,384.67x = 3,290.85 × 1,336.74
4. Step 4: Simplify right side
   2,384.67x = 4,399,010.83
5. Step 5: Solve for x
   x = 4,399,010.83/2,384.67
6. Step 6: Final answer
   x = 1,844.70