Finding the Fourth Proportional to 1,105.82, 1,526.24 and 657.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.82 : 1,526.24 = 657.77 : x
2. Step 2: Convert to fraction form
   1,105.82/1,526.24 = 657.77/x
3. Step 3: Cross multiply
   1,105.82x = 1,526.24 × 657.77
4. Step 4: Simplify right side
   1,105.82x = 1,003,911.60
5. Step 5: Solve for x
   x = 1,003,911.60/1,105.82
6. Step 6: Final answer
   x = 907.85