Finding the Fourth Proportional to 4,810.71, 7,216.37 and 1,690.59

Step by Step Solution

1. Step 1: Write the proportion equation
   4,810.71 : 7,216.37 = 1,690.59 : x
2. Step 2: Convert to fraction form
   4,810.71/7,216.37 = 1,690.59/x
3. Step 3: Cross multiply
   4,810.71x = 7,216.37 × 1,690.59
4. Step 4: Simplify right side
   4,810.71x = 12,199,922.96
5. Step 5: Solve for x
   x = 12,199,922.96/4,810.71
6. Step 6: Final answer
   x = 2,535.99