Finding the Fourth Proportional to 13,464.34, 18,578.57 and 7,495.86

Step by Step Solution

1. Step 1: Write the proportion equation
   13,464.34 : 18,578.57 = 7,495.86 : x
2. Step 2: Convert to fraction form
   13,464.34/18,578.57 = 7,495.86/x
3. Step 3: Cross multiply
   13,464.34x = 18,578.57 × 7,495.86
4. Step 4: Simplify right side
   13,464.34x = 139,262,359.72
5. Step 5: Solve for x
   x = 139,262,359.72/13,464.34
6. Step 6: Final answer
   x = 10,343.05