Finding the Fourth Proportional to 13,498.40, 18,627.82 and 7,529.92

Step by Step Solution

1. Step 1: Write the proportion equation
   13,498.40 : 18,627.82 = 7,529.92 : x
2. Step 2: Convert to fraction form
   13,498.40/18,627.82 = 7,529.92/x
3. Step 3: Cross multiply
   13,498.40x = 18,627.82 × 7,529.92
4. Step 4: Simplify right side
   13,498.40x = 140,265,994.37
5. Step 5: Solve for x
   x = 140,265,994.37/13,498.40
6. Step 6: Final answer
   x = 10,391.31