Finding the Fourth Proportional to 2,077.50, 2,866.17 and 1,331.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.50 : 2,866.17 = 1,331.36 : x
2. Step 2: Convert to fraction form
   2,077.50/2,866.17 = 1,331.36/x
3. Step 3: Cross multiply
   2,077.50x = 2,866.17 × 1,331.36
4. Step 4: Simplify right side
   2,077.50x = 3,815,904.09
5. Step 5: Solve for x
   x = 3,815,904.09/2,077.50
6. Step 6: Final answer
   x = 1,836.78