Finding the Fourth Proportional to 2,904.88, 4,353.90 and 1,172.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,904.88 : 4,353.90 = 1,172.56 : x
2. Step 2: Convert to fraction form
   2,904.88/4,353.90 = 1,172.56/x
3. Step 3: Cross multiply
   2,904.88x = 4,353.90 × 1,172.56
4. Step 4: Simplify right side
   2,904.88x = 5,105,208.98
5. Step 5: Solve for x
   x = 5,105,208.98/2,904.88
6. Step 6: Final answer
   x = 1,757.46