Finding the Fourth Proportional to 1,808.30, 2,495.33 and 1,062.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,808.30 : 2,495.33 = 1,062.21 : x
2. Step 2: Convert to fraction form
   1,808.30/2,495.33 = 1,062.21/x
3. Step 3: Cross multiply
   1,808.30x = 2,495.33 × 1,062.21
4. Step 4: Simplify right side
   1,808.30x = 2,650,559.17
5. Step 5: Solve for x
   x = 2,650,559.17/1,808.30
6. Step 6: Final answer
   x = 1,465.78