Finding the Fourth Proportional to 1,069.25, 1,475.59 and 603.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069.25 : 1,475.59 = 603.50 : x
2. Step 2: Convert to fraction form
   1,069.25/1,475.59 = 603.50/x
3. Step 3: Cross multiply
   1,069.25x = 1,475.59 × 603.50
4. Step 4: Simplify right side
   1,069.25x = 890,518.57
5. Step 5: Solve for x
   x = 890,518.57/1,069.25
6. Step 6: Final answer
   x = 832.84