Finding the Fourth Proportional to 111,597.48, 167,355.18 and 45,019.80

Step by Step Solution

1. Step 1: Write the proportion equation
   111,597.48 : 167,355.18 = 45,019.80 : x
2. Step 2: Convert to fraction form
   111,597.48/167,355.18 = 45,019.80/x
3. Step 3: Cross multiply
   111,597.48x = 167,355.18 × 45,019.80
4. Step 4: Simplify right side
   111,597.48x = 7,534,296,732.56
5. Step 5: Solve for x
   x = 7,534,296,732.56/111,597.48
6. Step 6: Final answer
   x = 67,513.14