Finding the Fourth Proportional to 2,384.81, 3,291.06 and 1,336.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,384.81 : 3,291.06 = 1,336.90 : x
2. Step 2: Convert to fraction form
   2,384.81/3,291.06 = 1,336.90/x
3. Step 3: Cross multiply
   2,384.81x = 3,291.06 × 1,336.90
4. Step 4: Simplify right side
   2,384.81x = 4,399,814.90
5. Step 5: Solve for x
   x = 4,399,814.90/2,384.81
6. Step 6: Final answer
   x = 1,844.93