Finding the Fourth Proportional to 1,100.88, 1,650.17 and 370.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.88 : 1,650.17 = 370.21 : x
2. Step 2: Convert to fraction form
   1,100.88/1,650.17 = 370.21/x
3. Step 3: Cross multiply
   1,100.88x = 1,650.17 × 370.21
4. Step 4: Simplify right side
   1,100.88x = 610,900.72
5. Step 5: Solve for x
   x = 610,900.72/1,100.88
6. Step 6: Final answer
   x = 554.92