Finding the Fourth Proportional to 2,610.71, 3,601.77 and 1,666.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.71 : 3,601.77 = 1,666.53 : x
2. Step 2: Convert to fraction form
   2,610.71/3,601.77 = 1,666.53/x
3. Step 3: Cross multiply
   2,610.71x = 3,601.77 × 1,666.53
4. Step 4: Simplify right side
   2,610.71x = 6,002,457.76
5. Step 5: Solve for x
   x = 6,002,457.76/2,610.71
6. Step 6: Final answer
   x = 2,299.17