Finding the Fourth Proportional to 1,173.84, 1,760.78 and 404.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,173.84 : 1,760.78 = 404.88 : x
2. Step 2: Convert to fraction form
   1,173.84/1,760.78 = 404.88/x
3. Step 3: Cross multiply
   1,173.84x = 1,760.78 × 404.88
4. Step 4: Simplify right side
   1,173.84x = 712,904.61
5. Step 5: Solve for x
   x = 712,904.61/1,173.84
6. Step 6: Final answer
   x = 607.33