Finding the Fourth Proportional to 13,577.10, 18,736.77 and 7,608.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,577.10 : 18,736.77 = 7,608.42 : x
2. Step 2: Convert to fraction form
   13,577.10/18,736.77 = 7,608.42/x
3. Step 3: Cross multiply
   13,577.10x = 18,736.77 × 7,608.42
4. Step 4: Simplify right side
   13,577.10x = 142,557,215.60
5. Step 5: Solve for x
   x = 142,557,215.60/13,577.10
6. Step 6: Final answer
   x = 10,499.83