Finding the Fourth Proportional to 1,100.10, 1,517.92 and 801.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.10 : 1,517.92 = 801.82 : x
2. Step 2: Convert to fraction form
   1,100.10/1,517.92 = 801.82/x
3. Step 3: Cross multiply
   1,100.10x = 1,517.92 × 801.82
4. Step 4: Simplify right side
   1,100.10x = 1,217,098.61
5. Step 5: Solve for x
   x = 1,217,098.61/1,100.10
6. Step 6: Final answer
   x = 1,106.35