Finding the Fourth Proportional to 73,174.78, 109,762.56 and 20,584.72

Step by Step Solution

1. Step 1: Write the proportion equation
   73,174.78 : 109,762.56 = 20,584.72 : x
2. Step 2: Convert to fraction form
   73,174.78/109,762.56 = 20,584.72/x
3. Step 3: Cross multiply
   73,174.78x = 109,762.56 × 20,584.72
4. Step 4: Simplify right side
   73,174.78x = 2,259,431,564.08
5. Step 5: Solve for x
   x = 2,259,431,564.08/73,174.78
6. Step 6: Final answer
   x = 30,877.19