Finding the Fourth Proportional to 9,025.38, 13,538.27 and 2,785.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,025.38 : 13,538.27 = 2,785.55 : x
2. Step 2: Convert to fraction form
   9,025.38/13,538.27 = 2,785.55/x
3. Step 3: Cross multiply
   9,025.38x = 13,538.27 × 2,785.55
4. Step 4: Simplify right side
   9,025.38x = 37,711,467.27
5. Step 5: Solve for x
   x = 37,711,467.27/9,025.38
6. Step 6: Final answer
   x = 4,178.38