Finding the Fourth Proportional to 13,268.37, 18,310.43 and 7,299.89

Step by Step Solution

1. Step 1: Write the proportion equation
   13,268.37 : 18,310.43 = 7,299.89 : x
2. Step 2: Convert to fraction form
   13,268.37/18,310.43 = 7,299.89/x
3. Step 3: Cross multiply
   13,268.37x = 18,310.43 × 7,299.89
4. Step 4: Simplify right side
   13,268.37x = 133,664,051.55
5. Step 5: Solve for x
   x = 133,664,051.55/13,268.37
6. Step 6: Final answer
   x = 10,073.89