Finding the Fourth Proportional to 13,011.48, 17,957.79 and 7,348.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,011.48 : 17,957.79 = 7,348.59 : x
2. Step 2: Convert to fraction form
   13,011.48/17,957.79 = 7,348.59/x
3. Step 3: Cross multiply
   13,011.48x = 17,957.79 × 7,348.59
4. Step 4: Simplify right side
   13,011.48x = 131,964,436.02
5. Step 5: Solve for x
   x = 131,964,436.02/13,011.48
6. Step 6: Final answer
   x = 10,142.15