Finding the Fourth Proportional to 111,651.69, 167,477.16 and 45,091.08

Step by Step Solution

1. Step 1: Write the proportion equation
   111,651.69 : 167,477.16 = 45,091.08 : x
2. Step 2: Convert to fraction form
   111,651.69/167,477.16 = 45,091.08/x
3. Step 3: Cross multiply
   111,651.69x = 167,477.16 × 45,091.08
4. Step 4: Simplify right side
   111,651.69x = 7,551,726,019.73
5. Step 5: Solve for x
   x = 7,551,726,019.73/111,651.69
6. Step 6: Final answer
   x = 67,636.47