Finding the Fourth Proportional to 6,913.96, 10,345.42 and 4,142.54

Step by Step Solution

1. Step 1: Write the proportion equation
   6,913.96 : 10,345.42 = 4,142.54 : x
2. Step 2: Convert to fraction form
   6,913.96/10,345.42 = 4,142.54/x
3. Step 3: Cross multiply
   6,913.96x = 10,345.42 × 4,142.54
4. Step 4: Simplify right side
   6,913.96x = 42,856,347.21
5. Step 5: Solve for x
   x = 42,856,347.21/6,913.96
6. Step 6: Final answer
   x = 6,198.53