Finding the Fourth Proportional to 13,577.76, 18,736.02 and 7,608.15

Step by Step Solution

1. Step 1: Write the proportion equation
   13,577.76 : 18,736.02 = 7,608.15 : x
2. Step 2: Convert to fraction form
   13,577.76/18,736.02 = 7,608.15/x
3. Step 3: Cross multiply
   13,577.76x = 18,736.02 × 7,608.15
4. Step 4: Simplify right side
   13,577.76x = 142,546,450.56
5. Step 5: Solve for x
   x = 142,546,450.56/13,577.76
6. Step 6: Final answer
   x = 10,498.52