Finding the Fourth Proportional to 1,808.86, 2,495.78 and 1,101.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,808.86 : 2,495.78 = 1,101.18 : x
2. Step 2: Convert to fraction form
   1,808.86/2,495.78 = 1,101.18/x
3. Step 3: Cross multiply
   1,808.86x = 2,495.78 × 1,101.18
4. Step 4: Simplify right side
   1,808.86x = 2,748,303.02
5. Step 5: Solve for x
   x = 2,748,303.02/1,808.86
6. Step 6: Final answer
   x = 1,519.36