Finding the Fourth Proportional to 2,291.08, 3,152.10 and 1,766.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,291.08 : 3,152.10 = 1,766.20 : x
2. Step 2: Convert to fraction form
   2,291.08/3,152.10 = 1,766.20/x
3. Step 3: Cross multiply
   2,291.08x = 3,152.10 × 1,766.20
4. Step 4: Simplify right side
   2,291.08x = 5,567,239.02
5. Step 5: Solve for x
   x = 5,567,239.02/2,291.08
6. Step 6: Final answer
   x = 2,429.96