Finding the Fourth Proportional to 12,096.20, 18,146.88 and 4,305.01

Step by Step Solution

1. Step 1: Write the proportion equation
   12,096.20 : 18,146.88 = 4,305.01 : x
2. Step 2: Convert to fraction form
   12,096.20/18,146.88 = 4,305.01/x
3. Step 3: Cross multiply
   12,096.20x = 18,146.88 × 4,305.01
4. Step 4: Simplify right side
   12,096.20x = 78,122,499.87
5. Step 5: Solve for x
   x = 78,122,499.87/12,096.20
6. Step 6: Final answer
   x = 6,458.43