Finding the Fourth Proportional to 146,397.72, 202,029 and 79,329.72

Step by Step Solution

1. Step 1: Write the proportion equation
   146,397.72 : 202,029 = 79,329.72 : x
2. Step 2: Convert to fraction form
   146,397.72/202,029 = 79,329.72/x
3. Step 3: Cross multiply
   146,397.72x = 202,029 × 79,329.72
4. Step 4: Simplify right side
   146,397.72x = 16,026,904,001.88
5. Step 5: Solve for x
   x = 16,026,904,001.88/146,397.72
6. Step 6: Final answer
   x = 109,475.09