Finding the Fourth Proportional to 10,288.48, 15,429.54 and 3,713.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,288.48 : 15,429.54 = 3,713.83 : x
2. Step 2: Convert to fraction form
   10,288.48/15,429.54 = 3,713.83/x
3. Step 3: Cross multiply
   10,288.48x = 15,429.54 × 3,713.83
4. Step 4: Simplify right side
   10,288.48x = 57,302,688.54
5. Step 5: Solve for x
   x = 57,302,688.54/10,288.48
6. Step 6: Final answer
   x = 5,569.60