Finding the Fourth Proportional to 1,808.39, 2,495.59 and 1,062.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,808.39 : 2,495.59 = 1,062.20 : x
2. Step 2: Convert to fraction form
   1,808.39/2,495.59 = 1,062.20/x
3. Step 3: Cross multiply
   1,808.39x = 2,495.59 × 1,062.20
4. Step 4: Simplify right side
   1,808.39x = 2,650,800.56
5. Step 5: Solve for x
   x = 2,650,800.56/1,808.39
6. Step 6: Final answer
   x = 1,465.84