Finding the Fourth Proportional to 1,069.32, 1,475.69 and 603.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069.32 : 1,475.69 = 603.57 : x
2. Step 2: Convert to fraction form
   1,069.32/1,475.69 = 603.57/x
3. Step 3: Cross multiply
   1,069.32x = 1,475.69 × 603.57
4. Step 4: Simplify right side
   1,069.32x = 890,682.21
5. Step 5: Solve for x
   x = 890,682.21/1,069.32
6. Step 6: Final answer
   x = 832.94