Finding the Fourth Proportional to 13,498.92, 18,628.88 and 7,531.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,498.92 : 18,628.88 = 7,531.75 : x
2. Step 2: Convert to fraction form
   13,498.92/18,628.88 = 7,531.75/x
3. Step 3: Cross multiply
   13,498.92x = 18,628.88 × 7,531.75
4. Step 4: Simplify right side
   13,498.92x = 140,308,052.57
5. Step 5: Solve for x
   x = 140,308,052.57/13,498.92
6. Step 6: Final answer
   x = 10,394.02