Finding the Fourth Proportional to 2,810.61, 4,216.10 and 1,167.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,810.61 : 4,216.10 = 1,167.29 : x
2. Step 2: Convert to fraction form
   2,810.61/4,216.10 = 1,167.29/x
3. Step 3: Cross multiply
   2,810.61x = 4,216.10 × 1,167.29
4. Step 4: Simplify right side
   2,810.61x = 4,921,411.37
5. Step 5: Solve for x
   x = 4,921,411.37/2,810.61
6. Step 6: Final answer
   x = 1,751.01