Finding the Fourth Proportional to 2,402.13, 3,314.82 and 1,339.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.13 : 3,314.82 = 1,339.86 : x
2. Step 2: Convert to fraction form
   2,402.13/3,314.82 = 1,339.86/x
3. Step 3: Cross multiply
   2,402.13x = 3,314.82 × 1,339.86
4. Step 4: Simplify right side
   2,402.13x = 4,441,394.73
5. Step 5: Solve for x
   x = 4,441,394.73/2,402.13
6. Step 6: Final answer
   x = 1,848.94