Finding the Fourth Proportional to 13,498.84, 18,628.68 and 7,530.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,498.84 : 18,628.68 = 7,530.76 : x
2. Step 2: Convert to fraction form
   13,498.84/18,628.68 = 7,530.76/x
3. Step 3: Cross multiply
   13,498.84x = 18,628.68 × 7,530.76
4. Step 4: Simplify right side
   13,498.84x = 140,288,118.20
5. Step 5: Solve for x
   x = 140,288,118.20/13,498.84
6. Step 6: Final answer
   x = 10,392.61