Finding the Fourth Proportional to 111,062.07, 166,554.12 and 31,078.55

Step by Step Solution

1. Step 1: Write the proportion equation
   111,062.07 : 166,554.12 = 31,078.55 : x
2. Step 2: Convert to fraction form
   111,062.07/166,554.12 = 31,078.55/x
3. Step 3: Cross multiply
   111,062.07x = 166,554.12 × 31,078.55
4. Step 4: Simplify right side
   111,062.07x = 5,176,261,079.06
5. Step 5: Solve for x
   x = 5,176,261,079.06/111,062.07
6. Step 6: Final answer
   x = 46,606.92