Finding the Fourth Proportional to 13,114.45, 18,096.37 and 7,447.15

Step by Step Solution

1. Step 1: Write the proportion equation
   13,114.45 : 18,096.37 = 7,447.15 : x
2. Step 2: Convert to fraction form
   13,114.45/18,096.37 = 7,447.15/x
3. Step 3: Cross multiply
   13,114.45x = 18,096.37 × 7,447.15
4. Step 4: Simplify right side
   13,114.45x = 134,766,381.85
5. Step 5: Solve for x
   x = 134,766,381.85/13,114.45
6. Step 6: Final answer
   x = 10,276.17