Finding the Fourth Proportional to 13,308.24, 18,365.46 and 7,340.58

Step by Step Solution

1. Step 1: Write the proportion equation
   13,308.24 : 18,365.46 = 7,340.58 : x
2. Step 2: Convert to fraction form
   13,308.24/18,365.46 = 7,340.58/x
3. Step 3: Cross multiply
   13,308.24x = 18,365.46 × 7,340.58
4. Step 4: Simplify right side
   13,308.24x = 134,813,128.37
5. Step 5: Solve for x
   x = 134,813,128.37/13,308.24
6. Step 6: Final answer
   x = 10,130.05