Finding the Fourth Proportional to 64,406.72, 88,872.72 and 35,725.97

Step by Step Solution

1. Step 1: Write the proportion equation
   64,406.72 : 88,872.72 = 35,725.97 : x
2. Step 2: Convert to fraction form
   64,406.72/88,872.72 = 35,725.97/x
3. Step 3: Cross multiply
   64,406.72x = 88,872.72 × 35,725.97
4. Step 4: Simplify right side
   64,406.72x = 3,175,064,128.54
5. Step 5: Solve for x
   x = 3,175,064,128.54/64,406.72
6. Step 6: Final answer
   x = 49,297.09