Finding the Fourth Proportional to 1,916.37, 2,641.55 and 1,449.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,916.37 : 2,641.55 = 1,449.81 : x
2. Step 2: Convert to fraction form
   1,916.37/2,641.55 = 1,449.81/x
3. Step 3: Cross multiply
   1,916.37x = 2,641.55 × 1,449.81
4. Step 4: Simplify right side
   1,916.37x = 3,829,738.36
5. Step 5: Solve for x
   x = 3,829,738.36/1,916.37
6. Step 6: Final answer
   x = 1,998.43