Finding the Fourth Proportional to 3,499.55, 5,249.31 and 2,400.58

Step by Step Solution

1. Step 1: Write the proportion equation
   3,499.55 : 5,249.31 = 2,400.58 : x
2. Step 2: Convert to fraction form
   3,499.55/5,249.31 = 2,400.58/x
3. Step 3: Cross multiply
   3,499.55x = 5,249.31 × 2,400.58
4. Step 4: Simplify right side
   3,499.55x = 12,601,388.60
5. Step 5: Solve for x
   x = 12,601,388.60/3,499.55
6. Step 6: Final answer
   x = 3,600.86