Finding the Fourth Proportional to 2,404.58, 3,318.93 and 1,607.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.58 : 3,318.93 = 1,607.99 : x
2. Step 2: Convert to fraction form
   2,404.58/3,318.93 = 1,607.99/x
3. Step 3: Cross multiply
   2,404.58x = 3,318.93 × 1,607.99
4. Step 4: Simplify right side
   2,404.58x = 5,336,789.66
5. Step 5: Solve for x
   x = 5,336,789.66/2,404.58
6. Step 6: Final answer
   x = 2,219.43