Finding the Fourth Proportional to 10,450.86, 15,682.42 and 3,881.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,450.86 : 15,682.42 = 3,881.60 : x
2. Step 2: Convert to fraction form
   10,450.86/15,682.42 = 3,881.60/x
3. Step 3: Cross multiply
   10,450.86x = 15,682.42 × 3,881.60
4. Step 4: Simplify right side
   10,450.86x = 60,872,881.47
5. Step 5: Solve for x
   x = 60,872,881.47/10,450.86
6. Step 6: Final answer
   x = 5,824.68