Finding the Fourth Proportional to 1,103.94, 1,655.57 and 374.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.94 : 1,655.57 = 374.06 : x
2. Step 2: Convert to fraction form
   1,103.94/1,655.57 = 374.06/x
3. Step 3: Cross multiply
   1,103.94x = 1,655.57 × 374.06
4. Step 4: Simplify right side
   1,103.94x = 619,287.59
5. Step 5: Solve for x
   x = 619,287.59/1,103.94
6. Step 6: Final answer
   x = 560.98