Finding the Fourth Proportional to 1,105.17, 1,648.01 and 1,095.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.17 : 1,648.01 = 1,095.30 : x
2. Step 2: Convert to fraction form
   1,105.17/1,648.01 = 1,095.30/x
3. Step 3: Cross multiply
   1,105.17x = 1,648.01 × 1,095.30
4. Step 4: Simplify right side
   1,105.17x = 1,805,059.88
5. Step 5: Solve for x
   x = 1,805,059.88/1,105.17
6. Step 6: Final answer
   x = 1,633.29