Finding the Fourth Proportional to 2,904.75, 4,359.15 and 1,173.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,904.75 : 4,359.15 = 1,173.39 : x
2. Step 2: Convert to fraction form
   2,904.75/4,359.15 = 1,173.39/x
3. Step 3: Cross multiply
   2,904.75x = 4,359.15 × 1,173.39
4. Step 4: Simplify right side
   2,904.75x = 5,114,983.02
5. Step 5: Solve for x
   x = 5,114,983.02/2,904.75
6. Step 6: Final answer
   x = 1,760.90