Finding the Fourth Proportional to 1,068.42, 1,601.58 and 452.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068.42 : 1,601.58 = 452.28 : x
2. Step 2: Convert to fraction form
   1,068.42/1,601.58 = 452.28/x
3. Step 3: Cross multiply
   1,068.42x = 1,601.58 × 452.28
4. Step 4: Simplify right side
   1,068.42x = 724,362.60
5. Step 5: Solve for x
   x = 724,362.60/1,068.42
6. Step 6: Final answer
   x = 677.98