Finding the Fourth Proportional to 13,298.50, 18,338.29 and 8,762.37

Step by Step Solution

1. Step 1: Write the proportion equation
   13,298.50 : 18,338.29 = 8,762.37 : x
2. Step 2: Convert to fraction form
   13,298.50/18,338.29 = 8,762.37/x
3. Step 3: Cross multiply
   13,298.50x = 18,338.29 × 8,762.37
4. Step 4: Simplify right side
   13,298.50x = 160,686,882.15
5. Step 5: Solve for x
   x = 160,686,882.15/13,298.50
6. Step 6: Final answer
   x = 12,083.08