Finding the Fourth Proportional to 1,810.84, 2,496.54 and 1,439.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,810.84 : 2,496.54 = 1,439.05 : x
2. Step 2: Convert to fraction form
   1,810.84/2,496.54 = 1,439.05/x
3. Step 3: Cross multiply
   1,810.84x = 2,496.54 × 1,439.05
4. Step 4: Simplify right side
   1,810.84x = 3,592,645.89
5. Step 5: Solve for x
   x = 3,592,645.89/1,810.84
6. Step 6: Final answer
   x = 1,983.97