Finding the Fourth Proportional to 13,505.08, 18,637.59 and 7,536.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,505.08 : 18,637.59 = 7,536.76 : x
2. Step 2: Convert to fraction form
   13,505.08/18,637.59 = 7,536.76/x
3. Step 3: Cross multiply
   13,505.08x = 18,637.59 × 7,536.76
4. Step 4: Simplify right side
   13,505.08x = 140,467,129.31
5. Step 5: Solve for x
   x = 140,467,129.31/13,505.08
6. Step 6: Final answer
   x = 10,401.06