Finding the Fourth Proportional to 12,164.16, 18,254.56 and 4,266.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,164.16 : 18,254.56 = 4,266.72 : x
2. Step 2: Convert to fraction form
   12,164.16/18,254.56 = 4,266.72/x
3. Step 3: Cross multiply
   12,164.16x = 18,254.56 × 4,266.72
4. Step 4: Simplify right side
   12,164.16x = 77,887,096.24
5. Step 5: Solve for x
   x = 77,887,096.24/12,164.16
6. Step 6: Final answer
   x = 6,403.00