Finding the Fourth Proportional to 1,068.20, 1,601.98 and 374.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068.20 : 1,601.98 = 374.73 : x
2. Step 2: Convert to fraction form
   1,068.20/1,601.98 = 374.73/x
3. Step 3: Cross multiply
   1,068.20x = 1,601.98 × 374.73
4. Step 4: Simplify right side
   1,068.20x = 600,316.54
5. Step 5: Solve for x
   x = 600,316.54/1,068.20
6. Step 6: Final answer
   x = 561.99