Finding the Fourth Proportional to 1,339.08, 1,835.90 and 1,314.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339.08 : 1,835.90 = 1,314.42 : x
2. Step 2: Convert to fraction form
   1,339.08/1,835.90 = 1,314.42/x
3. Step 3: Cross multiply
   1,339.08x = 1,835.90 × 1,314.42
4. Step 4: Simplify right side
   1,339.08x = 2,413,143.68
5. Step 5: Solve for x
   x = 2,413,143.68/1,339.08
6. Step 6: Final answer
   x = 1,802.09