Finding the Fourth Proportional to 146,284.72, 201,872.92 and 79,216.72

Step by Step Solution

1. Step 1: Write the proportion equation
   146,284.72 : 201,872.92 = 79,216.72 : x
2. Step 2: Convert to fraction form
   146,284.72/201,872.92 = 79,216.72/x
3. Step 3: Cross multiply
   146,284.72x = 201,872.92 × 79,216.72
4. Step 4: Simplify right side
   146,284.72x = 15,991,710,579.22
5. Step 5: Solve for x
   x = 15,991,710,579.22/146,284.72
6. Step 6: Final answer
   x = 109,319.08