Finding the Fourth Proportional to 1,106.30, 1,658.57 and 375.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,106.30 : 1,658.57 = 375.50 : x
2. Step 2: Convert to fraction form
   1,106.30/1,658.57 = 375.50/x
3. Step 3: Cross multiply
   1,106.30x = 1,658.57 × 375.50
4. Step 4: Simplify right side
   1,106.30x = 622,782.86
5. Step 5: Solve for x
   x = 622,782.86/1,106.30
6. Step 6: Final answer
   x = 562.94