Finding the Fourth Proportional to 2,238.81, 3,088.31 and 2,080.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.81 : 3,088.31 = 2,080.43 : x
2. Step 2: Convert to fraction form
   2,238.81/3,088.31 = 2,080.43/x
3. Step 3: Cross multiply
   2,238.81x = 3,088.31 × 2,080.43
4. Step 4: Simplify right side
   2,238.81x = 6,425,012.77
5. Step 5: Solve for x
   x = 6,425,012.77/2,238.81
6. Step 6: Final answer
   x = 2,869.83