Finding the Fourth Proportional to 13,463.34, 18,579.12 and 7,494.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,463.34 : 18,579.12 = 7,494.72 : x
2. Step 2: Convert to fraction form
   13,463.34/18,579.12 = 7,494.72/x
3. Step 3: Cross multiply
   13,463.34x = 18,579.12 × 7,494.72
4. Step 4: Simplify right side
   13,463.34x = 139,245,302.25
5. Step 5: Solve for x
   x = 139,245,302.25/13,463.34
6. Step 6: Final answer
   x = 10,342.55