Finding the Fourth Proportional to 9,724.60, 14,587.71 and 3,150.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,724.60 : 14,587.71 = 3,150.91 : x
2. Step 2: Convert to fraction form
   9,724.60/14,587.71 = 3,150.91/x
3. Step 3: Cross multiply
   9,724.60x = 14,587.71 × 3,150.91
4. Step 4: Simplify right side
   9,724.60x = 45,964,561.32
5. Step 5: Solve for x
   x = 45,964,561.32/9,724.60
6. Step 6: Final answer
   x = 4,726.63