Finding the Fourth Proportional to 2,810.16, 4,212.69 and 1,767

Step by Step Solution

1. Step 1: Write the proportion equation
   2,810.16 : 4,212.69 = 1,767 : x
2. Step 2: Convert to fraction form
   2,810.16/4,212.69 = 1,767/x
3. Step 3: Cross multiply
   2,810.16x = 4,212.69 × 1,767
4. Step 4: Simplify right side
   2,810.16x = 7,443,823.23
5. Step 5: Solve for x
   x = 7,443,823.23/2,810.16
6. Step 6: Final answer
   x = 2,648.90