Finding the Fourth Proportional to 10,300.14, 15,451.20 and 3,724.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,300.14 : 15,451.20 = 3,724.80 : x
2. Step 2: Convert to fraction form
   10,300.14/15,451.20 = 3,724.80/x
3. Step 3: Cross multiply
   10,300.14x = 15,451.20 × 3,724.80
4. Step 4: Simplify right side
   10,300.14x = 57,552,629.76
5. Step 5: Solve for x
   x = 57,552,629.76/10,300.14
6. Step 6: Final answer
   x = 5,587.56