Finding the Fourth Proportional to 2,401.86, 3,314.50 and 1,339.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.86 : 3,314.50 = 1,339.72 : x
2. Step 2: Convert to fraction form
   2,401.86/3,314.50 = 1,339.72/x
3. Step 3: Cross multiply
   2,401.86x = 3,314.50 × 1,339.72
4. Step 4: Simplify right side
   2,401.86x = 4,440,516.48
5. Step 5: Solve for x
   x = 4,440,516.48/2,401.86
6. Step 6: Final answer
   x = 1,848.79