Finding the Fourth Proportional to 13,467.98, 18,585.64 and 7,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,467.98 : 18,585.64 = 7,499.50 : x
2. Step 2: Convert to fraction form
   13,467.98/18,585.64 = 7,499.50/x
3. Step 3: Cross multiply
   13,467.98x = 18,585.64 × 7,499.50
4. Step 4: Simplify right side
   13,467.98x = 139,383,007.18
5. Step 5: Solve for x
   x = 139,383,007.18/13,467.98
6. Step 6: Final answer
   x = 10,349.21