Finding the Fourth Proportional to 13,008.15, 17,946.83 and 7,342.23

Step by Step Solution

1. Step 1: Write the proportion equation
   13,008.15 : 17,946.83 = 7,342.23 : x
2. Step 2: Convert to fraction form
   13,008.15/17,946.83 = 7,342.23/x
3. Step 3: Cross multiply
   13,008.15x = 17,946.83 × 7,342.23
4. Step 4: Simplify right side
   13,008.15x = 131,769,716.92
5. Step 5: Solve for x
   x = 131,769,716.92/13,008.15
6. Step 6: Final answer
   x = 10,129.78