Finding the Fourth Proportional to 2,188.59, 3,015.12 and 1,524.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.59 : 3,015.12 = 1,524.24 : x
2. Step 2: Convert to fraction form
   2,188.59/3,015.12 = 1,524.24/x
3. Step 3: Cross multiply
   2,188.59x = 3,015.12 × 1,524.24
4. Step 4: Simplify right side
   2,188.59x = 4,595,766.51
5. Step 5: Solve for x
   x = 4,595,766.51/2,188.59
6. Step 6: Final answer
   x = 2,099.88