Finding the Fourth Proportional to 1,808.20, 2,495.34 and 1,062.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,808.20 : 2,495.34 = 1,062.72 : x
2. Step 2: Convert to fraction form
   1,808.20/2,495.34 = 1,062.72/x
3. Step 3: Cross multiply
   1,808.20x = 2,495.34 × 1,062.72
4. Step 4: Simplify right side
   1,808.20x = 2,651,847.72
5. Step 5: Solve for x
   x = 2,651,847.72/1,808.20
6. Step 6: Final answer
   x = 1,466.57