Finding the Fourth Proportional to 3,096.61, 4,646.71 and 1,247.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,096.61 : 4,646.71 = 1,247.89 : x
2. Step 2: Convert to fraction form
   3,096.61/4,646.71 = 1,247.89/x
3. Step 3: Cross multiply
   3,096.61x = 4,646.71 × 1,247.89
4. Step 4: Simplify right side
   3,096.61x = 5,798,559.71
5. Step 5: Solve for x
   x = 5,798,559.71/3,096.61
6. Step 6: Final answer
   x = 1,872.55