Finding the Fourth Proportional to 2,047.92, 3,072.42 and 877.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.92 : 3,072.42 = 877.35 : x
2. Step 2: Convert to fraction form
   2,047.92/3,072.42 = 877.35/x
3. Step 3: Cross multiply
   2,047.92x = 3,072.42 × 877.35
4. Step 4: Simplify right side
   2,047.92x = 2,695,587.69
5. Step 5: Solve for x
   x = 2,695,587.69/2,047.92
6. Step 6: Final answer
   x = 1,316.26