Finding the Fourth Proportional to 1,100.55, 1,650.71 and 370.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.55 : 1,650.71 = 370.13 : x
2. Step 2: Convert to fraction form
   1,100.55/1,650.71 = 370.13/x
3. Step 3: Cross multiply
   1,100.55x = 1,650.71 × 370.13
4. Step 4: Simplify right side
   1,100.55x = 610,974.61
5. Step 5: Solve for x
   x = 610,974.61/1,100.55
6. Step 6: Final answer
   x = 555.16