Finding the Fourth Proportional to 13,269.45, 18,314.44 and 7,607.99

Step by Step Solution

1. Step 1: Write the proportion equation
   13,269.45 : 18,314.44 = 7,607.99 : x
2. Step 2: Convert to fraction form
   13,269.45/18,314.44 = 7,607.99/x
3. Step 3: Cross multiply
   13,269.45x = 18,314.44 × 7,607.99
4. Step 4: Simplify right side
   13,269.45x = 139,336,103.14
5. Step 5: Solve for x
   x = 139,336,103.14/13,269.45
6. Step 6: Final answer
   x = 10,500.52