Finding the Fourth Proportional to 2,401.47, 3,313.17 and 1,405.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.47 : 3,313.17 = 1,405.98 : x
2. Step 2: Convert to fraction form
   2,401.47/3,313.17 = 1,405.98/x
3. Step 3: Cross multiply
   2,401.47x = 3,313.17 × 1,405.98
4. Step 4: Simplify right side
   2,401.47x = 4,658,250.76
5. Step 5: Solve for x
   x = 4,658,250.76/2,401.47
6. Step 6: Final answer
   x = 1,939.75