Finding the Fourth Proportional to 72,943.72, 100,695.94 and 51,450.98

Step by Step Solution

1. Step 1: Write the proportion equation
   72,943.72 : 100,695.94 = 51,450.98 : x
2. Step 2: Convert to fraction form
   72,943.72/100,695.94 = 51,450.98/x
3. Step 3: Cross multiply
   72,943.72x = 100,695.94 × 51,450.98
4. Step 4: Simplify right side
   72,943.72x = 5,180,904,162.91
5. Step 5: Solve for x
   x = 5,180,904,162.91/72,943.72
6. Step 6: Final answer
   x = 71,026.05