Finding the Fourth Proportional to 2,562.84, 3,527.55 and 2,188.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,562.84 : 3,527.55 = 2,188.62 : x
2. Step 2: Convert to fraction form
   2,562.84/3,527.55 = 2,188.62/x
3. Step 3: Cross multiply
   2,562.84x = 3,527.55 × 2,188.62
4. Step 4: Simplify right side
   2,562.84x = 7,720,466.48
5. Step 5: Solve for x
   x = 7,720,466.48/2,562.84
6. Step 6: Final answer
   x = 3,012.47