Finding the Fourth Proportional to 10,100.99, 15,151.67 and 3,863.90

Step by Step Solution

1. Step 1: Write the proportion equation
   10,100.99 : 15,151.67 = 3,863.90 : x
2. Step 2: Convert to fraction form
   10,100.99/15,151.67 = 3,863.90/x
3. Step 3: Cross multiply
   10,100.99x = 15,151.67 × 3,863.90
4. Step 4: Simplify right side
   10,100.99x = 58,544,537.71
5. Step 5: Solve for x
   x = 58,544,537.71/10,100.99
6. Step 6: Final answer
   x = 5,795.92