Finding the Fourth Proportional to 2,047.94, 3,072.51 and 877.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.94 : 3,072.51 = 877.31 : x
2. Step 2: Convert to fraction form
   2,047.94/3,072.51 = 877.31/x
3. Step 3: Cross multiply
   2,047.94x = 3,072.51 × 877.31
4. Step 4: Simplify right side
   2,047.94x = 2,695,543.75
5. Step 5: Solve for x
   x = 2,695,543.75/2,047.94
6. Step 6: Final answer
   x = 1,316.22