Finding the Fourth Proportional to 13,499.83, 18,631.07 and 7,532.05

Step by Step Solution

1. Step 1: Write the proportion equation
   13,499.83 : 18,631.07 = 7,532.05 : x
2. Step 2: Convert to fraction form
   13,499.83/18,631.07 = 7,532.05/x
3. Step 3: Cross multiply
   13,499.83x = 18,631.07 × 7,532.05
4. Step 4: Simplify right side
   13,499.83x = 140,330,150.79
5. Step 5: Solve for x
   x = 140,330,150.79/13,499.83
6. Step 6: Final answer
   x = 10,394.96