Finding the Fourth Proportional to 13,601.77, 18,771.27 and 7,633.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,601.77 : 18,771.27 = 7,633.82 : x
2. Step 2: Convert to fraction form
   13,601.77/18,771.27 = 7,633.82/x
3. Step 3: Cross multiply
   13,601.77x = 18,771.27 × 7,633.82
4. Step 4: Simplify right side
   13,601.77x = 143,296,496.35
5. Step 5: Solve for x
   x = 143,296,496.35/13,601.77
6. Step 6: Final answer
   x = 10,535.14