Finding the Fourth Proportional to 13,494.83, 18,622.89 and 7,526.88

Step by Step Solution

1. Step 1: Write the proportion equation
   13,494.83 : 18,622.89 = 7,526.88 : x
2. Step 2: Convert to fraction form
   13,494.83/18,622.89 = 7,526.88/x
3. Step 3: Cross multiply
   13,494.83x = 18,622.89 × 7,526.88
4. Step 4: Simplify right side
   13,494.83x = 140,172,297.84
5. Step 5: Solve for x
   x = 140,172,297.84/13,494.83
6. Step 6: Final answer
   x = 10,387.11