Finding the Fourth Proportional to 2,401.07, 3,312.14 and 1,406.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.07 : 3,312.14 = 1,406.16 : x
2. Step 2: Convert to fraction form
   2,401.07/3,312.14 = 1,406.16/x
3. Step 3: Cross multiply
   2,401.07x = 3,312.14 × 1,406.16
4. Step 4: Simplify right side
   2,401.07x = 4,657,398.78
5. Step 5: Solve for x
   x = 4,657,398.78/2,401.07
6. Step 6: Final answer
   x = 1,939.72