Finding the Fourth Proportional to 13,096.52, 18,075.54 and 8,380.64

Step by Step Solution

1. Step 1: Write the proportion equation
   13,096.52 : 18,075.54 = 8,380.64 : x
2. Step 2: Convert to fraction form
   13,096.52/18,075.54 = 8,380.64/x
3. Step 3: Cross multiply
   13,096.52x = 18,075.54 × 8,380.64
4. Step 4: Simplify right side
   13,096.52x = 151,484,593.55
5. Step 5: Solve for x
   x = 151,484,593.55/13,096.52
6. Step 6: Final answer
   x = 11,566.78