Finding the Fourth Proportional to 13,300.53, 18,354.86 and 7,332.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,300.53 : 18,354.86 = 7,332.42 : x
2. Step 2: Convert to fraction form
   13,300.53/18,354.86 = 7,332.42/x
3. Step 3: Cross multiply
   13,300.53x = 18,354.86 × 7,332.42
4. Step 4: Simplify right side
   13,300.53x = 134,585,505.90
5. Step 5: Solve for x
   x = 134,585,505.90/13,300.53
6. Step 6: Final answer
   x = 10,118.81