Finding the Fourth Proportional to 3,017.02, 4,162.98 and 1,690.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,017.02 : 4,162.98 = 1,690.78 : x
2. Step 2: Convert to fraction form
   3,017.02/4,162.98 = 1,690.78/x
3. Step 3: Cross multiply
   3,017.02x = 4,162.98 × 1,690.78
4. Step 4: Simplify right side
   3,017.02x = 7,038,683.32
5. Step 5: Solve for x
   x = 7,038,683.32/3,017.02
6. Step 6: Final answer
   x = 2,332.99