Finding the Fourth Proportional to 10,829.94, 16,243.86 and 7,342.35

Step by Step Solution

1. Step 1: Write the proportion equation
   10,829.94 : 16,243.86 = 7,342.35 : x
2. Step 2: Convert to fraction form
   10,829.94/16,243.86 = 7,342.35/x
3. Step 3: Cross multiply
   10,829.94x = 16,243.86 × 7,342.35
4. Step 4: Simplify right side
   10,829.94x = 119,268,105.47
5. Step 5: Solve for x
   x = 119,268,105.47/10,829.94
6. Step 6: Final answer
   x = 11,012.81