Finding the Fourth Proportional to 13,267.89, 18,309.85 and 7,602.53

Step by Step Solution

1. Step 1: Write the proportion equation
   13,267.89 : 18,309.85 = 7,602.53 : x
2. Step 2: Convert to fraction form
   13,267.89/18,309.85 = 7,602.53/x
3. Step 3: Cross multiply
   13,267.89x = 18,309.85 × 7,602.53
4. Step 4: Simplify right side
   13,267.89x = 139,201,119.14
5. Step 5: Solve for x
   x = 139,201,119.14/13,267.89
6. Step 6: Final answer
   x = 10,491.58