Finding the Fourth Proportional to 10,049.86, 15,075.42 and 3,385.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,049.86 : 15,075.42 = 3,385.81 : x
2. Step 2: Convert to fraction form
   10,049.86/15,075.42 = 3,385.81/x
3. Step 3: Cross multiply
   10,049.86x = 15,075.42 × 3,385.81
4. Step 4: Simplify right side
   10,049.86x = 51,042,455.81
5. Step 5: Solve for x
   x = 51,042,455.81/10,049.86
6. Step 6: Final answer
   x = 5,078.92