Finding the Fourth Proportional to 111,462.42, 167,095.21 and 85,284.03

Step by Step Solution

1. Step 1: Write the proportion equation
   111,462.42 : 167,095.21 = 85,284.03 : x
2. Step 2: Convert to fraction form
   111,462.42/167,095.21 = 85,284.03/x
3. Step 3: Cross multiply
   111,462.42x = 167,095.21 × 85,284.03
4. Step 4: Simplify right side
   111,462.42x = 14,250,552,535.89
5. Step 5: Solve for x
   x = 14,250,552,535.89/111,462.42
6. Step 6: Final answer
   x = 127,850.74