Finding the Fourth Proportional to 3,495.89, 5,240.72 and 1,304.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,495.89 : 5,240.72 = 1,304.72 : x
2. Step 2: Convert to fraction form
   3,495.89/5,240.72 = 1,304.72/x
3. Step 3: Cross multiply
   3,495.89x = 5,240.72 × 1,304.72
4. Step 4: Simplify right side
   3,495.89x = 6,837,665.67
5. Step 5: Solve for x
   x = 6,837,665.67/3,495.89
6. Step 6: Final answer
   x = 1,955.92