Finding the Fourth Proportional to 13,498.77, 18,628.33 and 7,530.29

Step by Step Solution

1. Step 1: Write the proportion equation
   13,498.77 : 18,628.33 = 7,530.29 : x
2. Step 2: Convert to fraction form
   13,498.77/18,628.33 = 7,530.29/x
3. Step 3: Cross multiply
   13,498.77x = 18,628.33 × 7,530.29
4. Step 4: Simplify right side
   13,498.77x = 140,276,727.12
5. Step 5: Solve for x
   x = 140,276,727.12/13,498.77
6. Step 6: Final answer
   x = 10,391.82