Finding the Fourth Proportional to 3,118.72, 4,680.51 and 1,174.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,118.72 : 4,680.51 = 1,174.72 : x
2. Step 2: Convert to fraction form
   3,118.72/4,680.51 = 1,174.72/x
3. Step 3: Cross multiply
   3,118.72x = 4,680.51 × 1,174.72
4. Step 4: Simplify right side
   3,118.72x = 5,498,288.71
5. Step 5: Solve for x
   x = 5,498,288.71/3,118.72
6. Step 6: Final answer
   x = 1,763.00