Finding the Fourth Proportional to 2,580.73, 3,870.77 and 1,527.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580.73 : 3,870.77 = 1,527.17 : x
2. Step 2: Convert to fraction form
   2,580.73/3,870.77 = 1,527.17/x
3. Step 3: Cross multiply
   2,580.73x = 3,870.77 × 1,527.17
4. Step 4: Simplify right side
   2,580.73x = 5,911,304.47
5. Step 5: Solve for x
   x = 5,911,304.47/2,580.73
6. Step 6: Final answer
   x = 2,290.56