Finding the Fourth Proportional to 1,509.49, 2,083.50 and 880.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,509.49 : 2,083.50 = 880.27 : x
2. Step 2: Convert to fraction form
   1,509.49/2,083.50 = 880.27/x
3. Step 3: Cross multiply
   1,509.49x = 2,083.50 × 880.27
4. Step 4: Simplify right side
   1,509.49x = 1,834,034.86
5. Step 5: Solve for x
   x = 1,834,034.86/1,509.49
6. Step 6: Final answer
   x = 1,215.01