Finding the Fourth Proportional to 13,498.24, 18,627.56 and 7,529.90

Step by Step Solution

1. Step 1: Write the proportion equation
   13,498.24 : 18,627.56 = 7,529.90 : x
2. Step 2: Convert to fraction form
   13,498.24/18,627.56 = 7,529.90/x
3. Step 3: Cross multiply
   13,498.24x = 18,627.56 × 7,529.90
4. Step 4: Simplify right side
   13,498.24x = 140,263,672.96
5. Step 5: Solve for x
   x = 140,263,672.96/13,498.24
6. Step 6: Final answer
   x = 10,391.26