Finding the Fourth Proportional to 13,499.70, 18,629.16 and 7,532.39

Step by Step Solution

1. Step 1: Write the proportion equation
   13,499.70 : 18,629.16 = 7,532.39 : x
2. Step 2: Convert to fraction form
   13,499.70/18,629.16 = 7,532.39/x
3. Step 3: Cross multiply
   13,499.70x = 18,629.16 × 7,532.39
4. Step 4: Simplify right side
   13,499.70x = 140,322,005.35
5. Step 5: Solve for x
   x = 140,322,005.35/13,499.70
6. Step 6: Final answer
   x = 10,394.45