Finding the Fourth Proportional to 3,610.46, 5,419.31 and 2,436.74

Step by Step Solution

1. Step 1: Write the proportion equation
   3,610.46 : 5,419.31 = 2,436.74 : x
2. Step 2: Convert to fraction form
   3,610.46/5,419.31 = 2,436.74/x
3. Step 3: Cross multiply
   3,610.46x = 5,419.31 × 2,436.74
4. Step 4: Simplify right side
   3,610.46x = 13,205,449.45
5. Step 5: Solve for x
   x = 13,205,449.45/3,610.46
6. Step 6: Final answer
   x = 3,657.55