Finding the Fourth Proportional to 13,597.56, 18,764.64 and 7,629.84

Step by Step Solution

1. Step 1: Write the proportion equation
   13,597.56 : 18,764.64 = 7,629.84 : x
2. Step 2: Convert to fraction form
   13,597.56/18,764.64 = 7,629.84/x
3. Step 3: Cross multiply
   13,597.56x = 18,764.64 × 7,629.84
4. Step 4: Simplify right side
   13,597.56x = 143,171,200.86
5. Step 5: Solve for x
   x = 143,171,200.86/13,597.56
6. Step 6: Final answer
   x = 10,529.18