Finding the Fourth Proportional to 3,635.07, 5,018.72 and 2,238.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,635.07 : 5,018.72 = 2,238.63 : x
2. Step 2: Convert to fraction form
   3,635.07/5,018.72 = 2,238.63/x
3. Step 3: Cross multiply
   3,635.07x = 5,018.72 × 2,238.63
4. Step 4: Simplify right side
   3,635.07x = 11,235,057.15
5. Step 5: Solve for x
   x = 11,235,057.15/3,635.07
6. Step 6: Final answer
   x = 3,090.74