Finding the Fourth Proportional to 13,040.88, 17,994.06 and 7,374.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,040.88 : 17,994.06 = 7,374.12 : x
2. Step 2: Convert to fraction form
   13,040.88/17,994.06 = 7,374.12/x
3. Step 3: Cross multiply
   13,040.88x = 17,994.06 × 7,374.12
4. Step 4: Simplify right side
   13,040.88x = 132,690,357.73
5. Step 5: Solve for x
   x = 132,690,357.73/13,040.88
6. Step 6: Final answer
   x = 10,174.95