Finding the Fourth Proportional to 13,040.16, 17,995.20 and 7,374.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,040.16 : 17,995.20 = 7,374.82 : x
2. Step 2: Convert to fraction form
   13,040.16/17,995.20 = 7,374.82/x
3. Step 3: Cross multiply
   13,040.16x = 17,995.20 × 7,374.82
4. Step 4: Simplify right side
   13,040.16x = 132,711,360.86
5. Step 5: Solve for x
   x = 132,711,360.86/13,040.16
6. Step 6: Final answer
   x = 10,177.13