Finding the Fourth Proportional to 13,577.18, 18,736.34 and 7,608.84

Step by Step Solution

1. Step 1: Write the proportion equation
   13,577.18 : 18,736.34 = 7,608.84 : x
2. Step 2: Convert to fraction form
   13,577.18/18,736.34 = 7,608.84/x
3. Step 3: Cross multiply
   13,577.18x = 18,736.34 × 7,608.84
4. Step 4: Simplify right side
   13,577.18x = 142,561,813.25
5. Step 5: Solve for x
   x = 142,561,813.25/13,577.18
6. Step 6: Final answer
   x = 10,500.10