Finding the Fourth Proportional to 13,739.82, 18,960.90 and 7,452.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,739.82 : 18,960.90 = 7,452.18 : x
2. Step 2: Convert to fraction form
   13,739.82/18,960.90 = 7,452.18/x
3. Step 3: Cross multiply
   13,739.82x = 18,960.90 × 7,452.18
4. Step 4: Simplify right side
   13,739.82x = 141,300,039.76
5. Step 5: Solve for x
   x = 141,300,039.76/13,739.82
6. Step 6: Final answer
   x = 10,283.98