Finding the Fourth Proportional to 13,498.83, 18,628.33 and 7,530.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,498.83 : 18,628.33 = 7,530.50 : x
2. Step 2: Convert to fraction form
   13,498.83/18,628.33 = 7,530.50/x
3. Step 3: Cross multiply
   13,498.83x = 18,628.33 × 7,530.50
4. Step 4: Simplify right side
   13,498.83x = 140,280,659.75
5. Step 5: Solve for x
   x = 140,280,659.75/13,498.83
6. Step 6: Final answer
   x = 10,392.06