Finding the Fourth Proportional to 2,057.69, 3,088.56 and 1,508.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.69 : 3,088.56 = 1,508.31 : x
2. Step 2: Convert to fraction form
   2,057.69/3,088.56 = 1,508.31/x
3. Step 3: Cross multiply
   2,057.69x = 3,088.56 × 1,508.31
4. Step 4: Simplify right side
   2,057.69x = 4,658,505.93
5. Step 5: Solve for x
   x = 4,658,505.93/2,057.69
6. Step 6: Final answer
   x = 2,263.95