Finding the Fourth Proportional to 9,819.06, 14,721.41 and 3,151.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,819.06 : 14,721.41 = 3,151.76 : x
2. Step 2: Convert to fraction form
   9,819.06/14,721.41 = 3,151.76/x
3. Step 3: Cross multiply
   9,819.06x = 14,721.41 × 3,151.76
4. Step 4: Simplify right side
   9,819.06x = 46,398,261.82
5. Step 5: Solve for x
   x = 46,398,261.82/9,819.06
6. Step 6: Final answer
   x = 4,725.33