Finding the Fourth Proportional to 2,384.78, 3,290.94 and 1,337.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,384.78 : 3,290.94 = 1,337.06 : x
2. Step 2: Convert to fraction form
   2,384.78/3,290.94 = 1,337.06/x
3. Step 3: Cross multiply
   2,384.78x = 3,290.94 × 1,337.06
4. Step 4: Simplify right side
   2,384.78x = 4,400,184.24
5. Step 5: Solve for x
   x = 4,400,184.24/2,384.78
6. Step 6: Final answer
   x = 1,845.11