Finding the Fourth Proportional to 70,505.98, 105,786.67 and 31,035.42

Step by Step Solution

1. Step 1: Write the proportion equation
   70,505.98 : 105,786.67 = 31,035.42 : x
2. Step 2: Convert to fraction form
   70,505.98/105,786.67 = 31,035.42/x
3. Step 3: Cross multiply
   70,505.98x = 105,786.67 × 31,035.42
4. Step 4: Simplify right side
   70,505.98x = 3,283,133,578.67
5. Step 5: Solve for x
   x = 3,283,133,578.67/70,505.98
6. Step 6: Final answer
   x = 46,565.32