Finding the Fourth Proportional to 111,403.34, 167,129.61 and 55,273.98

Step by Step Solution

1. Step 1: Write the proportion equation
   111,403.34 : 167,129.61 = 55,273.98 : x
2. Step 2: Convert to fraction form
   111,403.34/167,129.61 = 55,273.98/x
3. Step 3: Cross multiply
   111,403.34x = 167,129.61 × 55,273.98
4. Step 4: Simplify right side
   111,403.34x = 9,237,918,720.55
5. Step 5: Solve for x
   x = 9,237,918,720.55/111,403.34
6. Step 6: Final answer
   x = 82,923.18