Finding the Fourth Proportional to 1,410.89, 1,949.06 and 1,019.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.89 : 1,949.06 = 1,019.99 : x
2. Step 2: Convert to fraction form
   1,410.89/1,949.06 = 1,019.99/x
3. Step 3: Cross multiply
   1,410.89x = 1,949.06 × 1,019.99
4. Step 4: Simplify right side
   1,410.89x = 1,988,029.13
5. Step 5: Solve for x
   x = 1,988,029.13/1,410.89
6. Step 6: Final answer
   x = 1,409.07