Finding the Fourth Proportional to 1,885.59, 2,827.40 and 1,105.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,885.59 : 2,827.40 = 1,105.83 : x
2. Step 2: Convert to fraction form
   1,885.59/2,827.40 = 1,105.83/x
3. Step 3: Cross multiply
   1,885.59x = 2,827.40 × 1,105.83
4. Step 4: Simplify right side
   1,885.59x = 3,126,618.21
5. Step 5: Solve for x
   x = 3,126,618.21/1,885.59
6. Step 6: Final answer
   x = 1,658.16