Finding the Fourth Proportional to 1,808.16, 2,494.98 and 1,100.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,808.16 : 2,494.98 = 1,100.22 : x
2. Step 2: Convert to fraction form
   1,808.16/2,494.98 = 1,100.22/x
3. Step 3: Cross multiply
   1,808.16x = 2,494.98 × 1,100.22
4. Step 4: Simplify right side
   1,808.16x = 2,745,026.90
5. Step 5: Solve for x
   x = 2,745,026.90/1,808.16
6. Step 6: Final answer
   x = 1,518.13