Finding the Fourth Proportional to 1,069.38, 1,475.74 and 603.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069.38 : 1,475.74 = 603.62 : x
2. Step 2: Convert to fraction form
   1,069.38/1,475.74 = 603.62/x
3. Step 3: Cross multiply
   1,069.38x = 1,475.74 × 603.62
4. Step 4: Simplify right side
   1,069.38x = 890,786.18
5. Step 5: Solve for x
   x = 890,786.18/1,069.38
6. Step 6: Final answer
   x = 832.99