Finding the Fourth Proportional to 2,470.25, 3,707.20 and 1,171.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,470.25 : 3,707.20 = 1,171.72 : x
2. Step 2: Convert to fraction form
   2,470.25/3,707.20 = 1,171.72/x
3. Step 3: Cross multiply
   2,470.25x = 3,707.20 × 1,171.72
4. Step 4: Simplify right side
   2,470.25x = 4,343,794.53
5. Step 5: Solve for x
   x = 4,343,794.53/2,470.25
6. Step 6: Final answer
   x = 1,758.44