Finding the Fourth Proportional to 3,772.02, 5,620.38 and 3,604.35

Step by Step Solution

1. Step 1: Write the proportion equation
   3,772.02 : 5,620.38 = 3,604.35 : x
2. Step 2: Convert to fraction form
   3,772.02/5,620.38 = 3,604.35/x
3. Step 3: Cross multiply
   3,772.02x = 5,620.38 × 3,604.35
4. Step 4: Simplify right side
   3,772.02x = 20,257,816.65
5. Step 5: Solve for x
   x = 20,257,816.65/3,772.02
6. Step 6: Final answer
   x = 5,370.55