Finding the Fourth Proportional to 10,101.69, 15,151.37 and 3,861.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,101.69 : 15,151.37 = 3,861.56 : x
2. Step 2: Convert to fraction form
   10,101.69/15,151.37 = 3,861.56/x
3. Step 3: Cross multiply
   10,101.69x = 15,151.37 × 3,861.56
4. Step 4: Simplify right side
   10,101.69x = 58,507,927.03
5. Step 5: Solve for x
   x = 58,507,927.03/10,101.69
6. Step 6: Final answer
   x = 5,791.90