Finding the Fourth Proportional to 111,732.62, 167,598.52 and 45,171.95

Step by Step Solution

1. Step 1: Write the proportion equation
   111,732.62 : 167,598.52 = 45,171.95 : x
2. Step 2: Convert to fraction form
   111,732.62/167,598.52 = 45,171.95/x
3. Step 3: Cross multiply
   111,732.62x = 167,598.52 × 45,171.95
4. Step 4: Simplify right side
   111,732.62x = 7,570,751,014.59
5. Step 5: Solve for x
   x = 7,570,751,014.59/111,732.62
6. Step 6: Final answer
   x = 67,757.75