Finding the Fourth Proportional to 12,164.24, 18,235.53 and 4,773.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,164.24 : 18,235.53 = 4,773.98 : x
2. Step 2: Convert to fraction form
   12,164.24/18,235.53 = 4,773.98/x
3. Step 3: Cross multiply
   12,164.24x = 18,235.53 × 4,773.98
4. Step 4: Simplify right side
   12,164.24x = 87,055,964.33
5. Step 5: Solve for x
   x = 87,055,964.33/12,164.24
6. Step 6: Final answer
   x = 7,156.72