Finding the Fourth Proportional to 2,205.84, 3,046.72 and 1,607.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,205.84 : 3,046.72 = 1,607.38 : x
2. Step 2: Convert to fraction form
   2,205.84/3,046.72 = 1,607.38/x
3. Step 3: Cross multiply
   2,205.84x = 3,046.72 × 1,607.38
4. Step 4: Simplify right side
   2,205.84x = 4,897,236.79
5. Step 5: Solve for x
   x = 4,897,236.79/2,205.84
6. Step 6: Final answer
   x = 2,220.12