Finding the Fourth Proportional to 13,392.84, 18,483.24 and 7,426.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,392.84 : 18,483.24 = 7,426.38 : x
2. Step 2: Convert to fraction form
   13,392.84/18,483.24 = 7,426.38/x
3. Step 3: Cross multiply
   13,392.84x = 18,483.24 × 7,426.38
4. Step 4: Simplify right side
   13,392.84x = 137,263,563.87
5. Step 5: Solve for x
   x = 137,263,563.87/13,392.84
6. Step 6: Final answer
   x = 10,249.03