Finding the Fourth Proportional to 13,107.30, 18,089.67 and 7,443.83

Step by Step Solution

1. Step 1: Write the proportion equation
   13,107.30 : 18,089.67 = 7,443.83 : x
2. Step 2: Convert to fraction form
   13,107.30/18,089.67 = 7,443.83/x
3. Step 3: Cross multiply
   13,107.30x = 18,089.67 × 7,443.83
4. Step 4: Simplify right side
   13,107.30x = 134,656,337.79
5. Step 5: Solve for x
   x = 134,656,337.79/13,107.30
6. Step 6: Final answer
   x = 10,273.38