Finding the Fourth Proportional to 3,071.67, 4,606.69 and 880.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,071.67 : 4,606.69 = 880.49 : x
2. Step 2: Convert to fraction form
   3,071.67/4,606.69 = 880.49/x
3. Step 3: Cross multiply
   3,071.67x = 4,606.69 × 880.49
4. Step 4: Simplify right side
   3,071.67x = 4,056,144.48
5. Step 5: Solve for x
   x = 4,056,144.48/3,071.67
6. Step 6: Final answer
   x = 1,320.50