Finding the Fourth Proportional to 2,087.74, 2,881.56 and 1,248.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,087.74 : 2,881.56 = 1,248.94 : x
2. Step 2: Convert to fraction form
   2,087.74/2,881.56 = 1,248.94/x
3. Step 3: Cross multiply
   2,087.74x = 2,881.56 × 1,248.94
4. Step 4: Simplify right side
   2,087.74x = 3,598,895.55
5. Step 5: Solve for x
   x = 3,598,895.55/2,087.74
6. Step 6: Final answer
   x = 1,723.82