Finding the Fourth Proportional to 74,322.72, 111,485.52 and 18,162.96

Step by Step Solution

1. Step 1: Write the proportion equation
   74,322.72 : 111,485.52 = 18,162.96 : x
2. Step 2: Convert to fraction form
   74,322.72/111,485.52 = 18,162.96/x
3. Step 3: Cross multiply
   74,322.72x = 111,485.52 × 18,162.96
4. Step 4: Simplify right side
   74,322.72x = 2,024,907,040.34
5. Step 5: Solve for x
   x = 2,024,907,040.34/74,322.72
6. Step 6: Final answer
   x = 27,244.79