Finding the Fourth Proportional to 111,647.03, 167,096.31 and 91,655.42

Step by Step Solution

1. Step 1: Write the proportion equation
   111,647.03 : 167,096.31 = 91,655.42 : x
2. Step 2: Convert to fraction form
   111,647.03/167,096.31 = 91,655.42/x
3. Step 3: Cross multiply
   111,647.03x = 167,096.31 × 91,655.42
4. Step 4: Simplify right side
   111,647.03x = 15,315,282,473.50
5. Step 5: Solve for x
   x = 15,315,282,473.50/111,647.03
6. Step 6: Final answer
   x = 137,175.91