Finding the Fourth Proportional to 1,105.05, 1,525.18 and 657.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.05 : 1,525.18 = 657.02 : x
2. Step 2: Convert to fraction form
   1,105.05/1,525.18 = 657.02/x
3. Step 3: Cross multiply
   1,105.05x = 1,525.18 × 657.02
4. Step 4: Simplify right side
   1,105.05x = 1,002,073.76
5. Step 5: Solve for x
   x = 1,002,073.76/1,105.05
6. Step 6: Final answer
   x = 906.81