Finding the Fourth Proportional to 111,905.67, 167,858.52 and 107,046.45

Step by Step Solution

1. Step 1: Write the proportion equation
   111,905.67 : 167,858.52 = 107,046.45 : x
2. Step 2: Convert to fraction form
   111,905.67/167,858.52 = 107,046.45/x
3. Step 3: Cross multiply
   111,905.67x = 167,858.52 × 107,046.45
4. Step 4: Simplify right side
   111,905.67x = 17,968,658,668.25
5. Step 5: Solve for x
   x = 17,968,658,668.25/111,905.67
6. Step 6: Final answer
   x = 160,569.69