Finding the Fourth Proportional to 146,784.78, 202,563.12 and 79,716.78

Step by Step Solution

1. Step 1: Write the proportion equation
   146,784.78 : 202,563.12 = 79,716.78 : x
2. Step 2: Convert to fraction form
   146,784.78/202,563.12 = 79,716.78/x
3. Step 3: Cross multiply
   146,784.78x = 202,563.12 × 79,716.78
4. Step 4: Simplify right side
   146,784.78x = 16,147,679,673.15
5. Step 5: Solve for x
   x = 16,147,679,673.15/146,784.78
6. Step 6: Final answer
   x = 110,009.22