Finding the Fourth Proportional to 6,103.98, 9,143.20 and 5,061.51

Step by Step Solution

1. Step 1: Write the proportion equation
   6,103.98 : 9,143.20 = 5,061.51 : x
2. Step 2: Convert to fraction form
   6,103.98/9,143.20 = 5,061.51/x
3. Step 3: Cross multiply
   6,103.98x = 9,143.20 × 5,061.51
4. Step 4: Simplify right side
   6,103.98x = 46,278,398.23
5. Step 5: Solve for x
   x = 46,278,398.23/6,103.98
6. Step 6: Final answer
   x = 7,581.68