Finding the Fourth Proportional to 2,402.06, 3,314.66 and 1,339.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.06 : 3,314.66 = 1,339.74 : x
2. Step 2: Convert to fraction form
   2,402.06/3,314.66 = 1,339.74/x
3. Step 3: Cross multiply
   2,402.06x = 3,314.66 × 1,339.74
4. Step 4: Simplify right side
   2,402.06x = 4,440,775.89
5. Step 5: Solve for x
   x = 4,440,775.89/2,402.06
6. Step 6: Final answer
   x = 1,848.74