Finding the Fourth Proportional to 2,437.23, 3,363.57 and 1,389.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,437.23 : 3,363.57 = 1,389.27 : x
2. Step 2: Convert to fraction form
   2,437.23/3,363.57 = 1,389.27/x
3. Step 3: Cross multiply
   2,437.23x = 3,363.57 × 1,389.27
4. Step 4: Simplify right side
   2,437.23x = 4,672,906.89
5. Step 5: Solve for x
   x = 4,672,906.89/2,437.23
6. Step 6: Final answer
   x = 1,917.30