Finding the Fourth Proportional to 2,402.01, 3,314.78 and 1,339.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.01 : 3,314.78 = 1,339.89 : x
2. Step 2: Convert to fraction form
   2,402.01/3,314.78 = 1,339.89/x
3. Step 3: Cross multiply
   2,402.01x = 3,314.78 × 1,339.89
4. Step 4: Simplify right side
   2,402.01x = 4,441,433.87
5. Step 5: Solve for x
   x = 4,441,433.87/2,402.01
6. Step 6: Final answer
   x = 1,849.05