Finding the Fourth Proportional to 9,725.40, 14,590.41 and 3,151.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,725.40 : 14,590.41 = 3,151.59 : x
2. Step 2: Convert to fraction form
   9,725.40/14,590.41 = 3,151.59/x
3. Step 3: Cross multiply
   9,725.40x = 14,590.41 × 3,151.59
4. Step 4: Simplify right side
   9,725.40x = 45,982,990.25
5. Step 5: Solve for x
   x = 45,982,990.25/9,725.40
6. Step 6: Final answer
   x = 4,728.13