Finding the Fourth Proportional to 2,077.00, 2,866.57 and 1,331.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.00 : 2,866.57 = 1,331.80 : x
2. Step 2: Convert to fraction form
   2,077.00/2,866.57 = 1,331.80/x
3. Step 3: Cross multiply
   2,077.00x = 2,866.57 × 1,331.80
4. Step 4: Simplify right side
   2,077.00x = 3,817,687.43
5. Step 5: Solve for x
   x = 3,817,687.43/2,077.00
6. Step 6: Final answer
   x = 1,838.08