Finding the Fourth Proportional to 70,915.38, 106,185.24 and 42,797.94

Step by Step Solution

1. Step 1: Write the proportion equation
   70,915.38 : 106,185.24 = 42,797.94 : x
2. Step 2: Convert to fraction form
   70,915.38/106,185.24 = 42,797.94/x
3. Step 3: Cross multiply
   70,915.38x = 106,185.24 × 42,797.94
4. Step 4: Simplify right side
   70,915.38x = 4,544,509,530.41
5. Step 5: Solve for x
   x = 4,544,509,530.41/70,915.38
6. Step 6: Final answer
   x = 64,083.55