Finding the Fourth Proportional to 2,810.52, 4,217.40 and 1,167.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,810.52 : 4,217.40 = 1,167.12 : x
2. Step 2: Convert to fraction form
   2,810.52/4,217.40 = 1,167.12/x
3. Step 3: Cross multiply
   2,810.52x = 4,217.40 × 1,167.12
4. Step 4: Simplify right side
   2,810.52x = 4,922,211.89
5. Step 5: Solve for x
   x = 4,922,211.89/2,810.52
6. Step 6: Final answer
   x = 1,751.35