Finding the Fourth Proportional to 13,003.18, 17,954.04 and 7,974.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,003.18 : 17,954.04 = 7,974.34 : x
2. Step 2: Convert to fraction form
   13,003.18/17,954.04 = 7,974.34/x
3. Step 3: Cross multiply
   13,003.18x = 17,954.04 × 7,974.34
4. Step 4: Simplify right side
   13,003.18x = 143,171,619.33
5. Step 5: Solve for x
   x = 143,171,619.33/13,003.18
6. Step 6: Final answer
   x = 11,010.51