Finding the Fourth Proportional to 111,303, 166,964.22 and 28,197

Step by Step Solution

1. Step 1: Write the proportion equation
   111,303 : 166,964.22 = 28,197 : x
2. Step 2: Convert to fraction form
   111,303/166,964.22 = 28,197/x
3. Step 3: Cross multiply
   111,303x = 166,964.22 × 28,197
4. Step 4: Simplify right side
   111,303x = 4,707,890,111.34
5. Step 5: Solve for x
   x = 4,707,890,111.34/111,303
6. Step 6: Final answer
   x = 42,297.96