Finding the Fourth Proportional to 3,401.96, 5,102.64 and 936.70

Step by Step Solution

1. Step 1: Write the proportion equation
   3,401.96 : 5,102.64 = 936.70 : x
2. Step 2: Convert to fraction form
   3,401.96/5,102.64 = 936.70/x
3. Step 3: Cross multiply
   3,401.96x = 5,102.64 × 936.70
4. Step 4: Simplify right side
   3,401.96x = 4,779,642.89
5. Step 5: Solve for x
   x = 4,779,642.89/3,401.96
6. Step 6: Final answer
   x = 1,404.97