Finding the Fourth Proportional to 4,003.68, 5,528.88 and 3,785.52

Step by Step Solution

1. Step 1: Write the proportion equation
   4,003.68 : 5,528.88 = 3,785.52 : x
2. Step 2: Convert to fraction form
   4,003.68/5,528.88 = 3,785.52/x
3. Step 3: Cross multiply
   4,003.68x = 5,528.88 × 3,785.52
4. Step 4: Simplify right side
   4,003.68x = 20,929,685.82
5. Step 5: Solve for x
   x = 20,929,685.82/4,003.68
6. Step 6: Final answer
   x = 5,227.61