Finding the Fourth Proportional to 3,401.95, 5,105.66 and 1,758.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,401.95 : 5,105.66 = 1,758.98 : x
2. Step 2: Convert to fraction form
   3,401.95/5,105.66 = 1,758.98/x
3. Step 3: Cross multiply
   3,401.95x = 5,105.66 × 1,758.98
4. Step 4: Simplify right side
   3,401.95x = 8,980,719.50
5. Step 5: Solve for x
   x = 8,980,719.50/3,401.95
6. Step 6: Final answer
   x = 2,639.88