Finding the Fourth Proportional to 2,188.26, 3,020.33 and 1,527.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.26 : 3,020.33 = 1,527.15 : x
2. Step 2: Convert to fraction form
   2,188.26/3,020.33 = 1,527.15/x
3. Step 3: Cross multiply
   2,188.26x = 3,020.33 × 1,527.15
4. Step 4: Simplify right side
   2,188.26x = 4,612,489.32
5. Step 5: Solve for x
   x = 4,612,489.32/2,188.26
6. Step 6: Final answer
   x = 2,107.83