Finding the Fourth Proportional to 1,105.82, 1,527.02 and 1,053.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.82 : 1,527.02 = 1,053.30 : x
2. Step 2: Convert to fraction form
   1,105.82/1,527.02 = 1,053.30/x
3. Step 3: Cross multiply
   1,105.82x = 1,527.02 × 1,053.30
4. Step 4: Simplify right side
   1,105.82x = 1,608,414.58
5. Step 5: Solve for x
   x = 1,608,414.58/1,105.82
6. Step 6: Final answer
   x = 1,454.50