Finding the Fourth Proportional to 2,223.45, 3,061.80 and 1,906.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,223.45 : 3,061.80 = 1,906.38 : x
2. Step 2: Convert to fraction form
   2,223.45/3,061.80 = 1,906.38/x
3. Step 3: Cross multiply
   2,223.45x = 3,061.80 × 1,906.38
4. Step 4: Simplify right side
   2,223.45x = 5,836,954.28
5. Step 5: Solve for x
   x = 5,836,954.28/2,223.45
6. Step 6: Final answer
   x = 2,625.18