Finding the Fourth Proportional to 2,039.99, 3,061.76 and 1,066.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,039.99 : 3,061.76 = 1,066.77 : x
2. Step 2: Convert to fraction form
   2,039.99/3,061.76 = 1,066.77/x
3. Step 3: Cross multiply
   2,039.99x = 3,061.76 × 1,066.77
4. Step 4: Simplify right side
   2,039.99x = 3,266,188.38
5. Step 5: Solve for x
   x = 3,266,188.38/2,039.99
6. Step 6: Final answer
   x = 1,601.08