Finding the Fourth Proportional to 13,040.69, 17,994.50 and 7,734.47

Step by Step Solution

1. Step 1: Write the proportion equation
   13,040.69 : 17,994.50 = 7,734.47 : x
2. Step 2: Convert to fraction form
   13,040.69/17,994.50 = 7,734.47/x
3. Step 3: Cross multiply
   13,040.69x = 17,994.50 × 7,734.47
4. Step 4: Simplify right side
   13,040.69x = 139,177,791.77
5. Step 5: Solve for x
   x = 139,177,791.77/13,040.69
6. Step 6: Final answer
   x = 10,672.58