Finding the Fourth Proportional to 10,048.99, 15,071.43 and 3,806.85

Step by Step Solution

1. Step 1: Write the proportion equation
   10,048.99 : 15,071.43 = 3,806.85 : x
2. Step 2: Convert to fraction form
   10,048.99/15,071.43 = 3,806.85/x
3. Step 3: Cross multiply
   10,048.99x = 15,071.43 × 3,806.85
4. Step 4: Simplify right side
   10,048.99x = 57,374,578.90
5. Step 5: Solve for x
   x = 57,374,578.90/10,048.99
6. Step 6: Final answer
   x = 5,709.49