Finding the Fourth Proportional to 2,535.42, 3,785.42 and 2,188.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,535.42 : 3,785.42 = 2,188.38 : x
2. Step 2: Convert to fraction form
   2,535.42/3,785.42 = 2,188.38/x
3. Step 3: Cross multiply
   2,535.42x = 3,785.42 × 2,188.38
4. Step 4: Simplify right side
   2,535.42x = 8,283,926.48
5. Step 5: Solve for x
   x = 8,283,926.48/2,535.42
6. Step 6: Final answer
   x = 3,267.28