Finding the Fourth Proportional to 13,007.42, 17,948.89 and 7,342.48

Step by Step Solution

1. Step 1: Write the proportion equation
   13,007.42 : 17,948.89 = 7,342.48 : x
2. Step 2: Convert to fraction form
   13,007.42/17,948.89 = 7,342.48/x
3. Step 3: Cross multiply
   13,007.42x = 17,948.89 × 7,342.48
4. Step 4: Simplify right side
   13,007.42x = 131,789,365.85
5. Step 5: Solve for x
   x = 131,789,365.85/13,007.42
6. Step 6: Final answer
   x = 10,131.86