Finding the Fourth Proportional to 13,231.72, 18,259.83 and 7,263.49

Step by Step Solution

1. Step 1: Write the proportion equation
   13,231.72 : 18,259.83 = 7,263.49 : x
2. Step 2: Convert to fraction form
   13,231.72/18,259.83 = 7,263.49/x
3. Step 3: Cross multiply
   13,231.72x = 18,259.83 × 7,263.49
4. Step 4: Simplify right side
   13,231.72x = 132,630,081.19
5. Step 5: Solve for x
   x = 132,630,081.19/13,231.72
6. Step 6: Final answer
   x = 10,023.65