Finding the Fourth Proportional to 111,648.03, 167,097.81 and 91,656.42

Step by Step Solution

1. Step 1: Write the proportion equation
   111,648.03 : 167,097.81 = 91,656.42 : x
2. Step 2: Convert to fraction form
   111,648.03/167,097.81 = 91,656.42/x
3. Step 3: Cross multiply
   111,648.03x = 167,097.81 × 91,656.42
4. Step 4: Simplify right side
   111,648.03x = 15,315,587,054.44
5. Step 5: Solve for x
   x = 15,315,587,054.44/111,648.03
6. Step 6: Final answer
   x = 137,177.41