Finding the Fourth Proportional to 3,621.08, 5,422.84 and 2,507.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,621.08 : 5,422.84 = 2,507.38 : x
2. Step 2: Convert to fraction form
   3,621.08/5,422.84 = 2,507.38/x
3. Step 3: Cross multiply
   3,621.08x = 5,422.84 × 2,507.38
4. Step 4: Simplify right side
   3,621.08x = 13,597,120.56
5. Step 5: Solve for x
   x = 13,597,120.56/3,621.08
6. Step 6: Final answer
   x = 3,754.99