Finding the Fourth Proportional to 13,300.81, 18,355.41 and 7,332.53

Step by Step Solution

1. Step 1: Write the proportion equation
   13,300.81 : 18,355.41 = 7,332.53 : x
2. Step 2: Convert to fraction form
   13,300.81/18,355.41 = 7,332.53/x
3. Step 3: Cross multiply
   13,300.81x = 18,355.41 × 7,332.53
4. Step 4: Simplify right side
   13,300.81x = 134,591,502.71
5. Step 5: Solve for x
   x = 134,591,502.71/13,300.81
6. Step 6: Final answer
   x = 10,119.05