Finding the Fourth Proportional to 1,069.68, 1,476.18 and 603.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069.68 : 1,476.18 = 603.94 : x
2. Step 2: Convert to fraction form
   1,069.68/1,476.18 = 603.94/x
3. Step 3: Cross multiply
   1,069.68x = 1,476.18 × 603.94
4. Step 4: Simplify right side
   1,069.68x = 891,524.15
5. Step 5: Solve for x
   x = 891,524.15/1,069.68
6. Step 6: Final answer
   x = 833.45