Finding the Fourth Proportional to 3,949.47, 5,926.50 and 1,758.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,949.47 : 5,926.50 = 1,758.42 : x
2. Step 2: Convert to fraction form
   3,949.47/5,926.50 = 1,758.42/x
3. Step 3: Cross multiply
   3,949.47x = 5,926.50 × 1,758.42
4. Step 4: Simplify right side
   3,949.47x = 10,421,276.13
5. Step 5: Solve for x
   x = 10,421,276.13/3,949.47
6. Step 6: Final answer
   x = 2,638.65