Finding the Fourth Proportional to 2,087.99, 2,880.77 and 1,248.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,087.99 : 2,880.77 = 1,248.29 : x
2. Step 2: Convert to fraction form
   2,087.99/2,880.77 = 1,248.29/x
3. Step 3: Cross multiply
   2,087.99x = 2,880.77 × 1,248.29
4. Step 4: Simplify right side
   2,087.99x = 3,596,015.74
5. Step 5: Solve for x
   x = 3,596,015.74/2,087.99
6. Step 6: Final answer
   x = 1,722.24