Finding the Fourth Proportional to 12,372.64, 18,561.52 and 5,446.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,372.64 : 18,561.52 = 5,446.56 : x
2. Step 2: Convert to fraction form
   12,372.64/18,561.52 = 5,446.56/x
3. Step 3: Cross multiply
   12,372.64x = 18,561.52 × 5,446.56
4. Step 4: Simplify right side
   12,372.64x = 101,096,432.37
5. Step 5: Solve for x
   x = 101,096,432.37/12,372.64
6. Step 6: Final answer
   x = 8,170.97