Finding the Fourth Proportional to 1,069.39, 1,475.72 and 603.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069.39 : 1,475.72 = 603.67 : x
2. Step 2: Convert to fraction form
   1,069.39/1,475.72 = 603.67/x
3. Step 3: Cross multiply
   1,069.39x = 1,475.72 × 603.67
4. Step 4: Simplify right side
   1,069.39x = 890,844.87
5. Step 5: Solve for x
   x = 890,844.87/1,069.39
6. Step 6: Final answer
   x = 833.04