Finding the Fourth Proportional to 2,088.96, 3,126.72 and 1,509.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,088.96 : 3,126.72 = 1,509.12 : x
2. Step 2: Convert to fraction form
   2,088.96/3,126.72 = 1,509.12/x
3. Step 3: Cross multiply
   2,088.96x = 3,126.72 × 1,509.12
4. Step 4: Simplify right side
   2,088.96x = 4,718,595.69
5. Step 5: Solve for x
   x = 4,718,595.69/2,088.96
6. Step 6: Final answer
   x = 2,258.83