Finding the Fourth Proportional to 2,088.86, 3,109.43 and 2,057.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,088.86 : 3,109.43 = 2,057.72 : x
2. Step 2: Convert to fraction form
   2,088.86/3,109.43 = 2,057.72/x
3. Step 3: Cross multiply
   2,088.86x = 3,109.43 × 2,057.72
4. Step 4: Simplify right side
   2,088.86x = 6,398,333.78
5. Step 5: Solve for x
   x = 6,398,333.78/2,088.86
6. Step 6: Final answer
   x = 3,063.07