Finding the Fourth Proportional to 2,087.47, 2,880.37 and 1,248.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,087.47 : 2,880.37 = 1,248.52 : x
2. Step 2: Convert to fraction form
   2,087.47/2,880.37 = 1,248.52/x
3. Step 3: Cross multiply
   2,087.47x = 2,880.37 × 1,248.52
4. Step 4: Simplify right side
   2,087.47x = 3,596,199.55
5. Step 5: Solve for x
   x = 3,596,199.55/2,087.47
6. Step 6: Final answer
   x = 1,722.76