Finding the Fourth Proportional to 1,069.89, 1,476.59 and 604.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069.89 : 1,476.59 = 604.23 : x
2. Step 2: Convert to fraction form
   1,069.89/1,476.59 = 604.23/x
3. Step 3: Cross multiply
   1,069.89x = 1,476.59 × 604.23
4. Step 4: Simplify right side
   1,069.89x = 892,196.95
5. Step 5: Solve for x
   x = 892,196.95/1,069.89
6. Step 6: Final answer
   x = 833.91