Finding the Fourth Proportional to 3,417.59, 5,126.57 and 1,958.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,417.59 : 5,126.57 = 1,958.15 : x
2. Step 2: Convert to fraction form
   3,417.59/5,126.57 = 1,958.15/x
3. Step 3: Cross multiply
   3,417.59x = 5,126.57 × 1,958.15
4. Step 4: Simplify right side
   3,417.59x = 10,038,593.05
5. Step 5: Solve for x
   x = 10,038,593.05/3,417.59
6. Step 6: Final answer
   x = 2,937.33