Finding the Fourth Proportional to 1,410.54, 2,111.49 and 888.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.54 : 2,111.49 = 888.71 : x
2. Step 2: Convert to fraction form
   1,410.54/2,111.49 = 888.71/x
3. Step 3: Cross multiply
   1,410.54x = 2,111.49 × 888.71
4. Step 4: Simplify right side
   1,410.54x = 1,876,491.72
5. Step 5: Solve for x
   x = 1,876,491.72/1,410.54
6. Step 6: Final answer
   x = 1,330.34