Finding the Fourth Proportional to 1,050.86, 1,450.16 and 658.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,050.86 : 1,450.16 = 658.10 : x
2. Step 2: Convert to fraction form
   1,050.86/1,450.16 = 658.10/x
3. Step 3: Cross multiply
   1,050.86x = 1,450.16 × 658.10
4. Step 4: Simplify right side
   1,050.86x = 954,342.22
5. Step 5: Solve for x
   x = 954,342.22/1,050.86
6. Step 6: Final answer
   x = 908.16