Finding the Fourth Proportional to 111,846.02, 154,404.68 and 86,294.97

Step by Step Solution

1. Step 1: Write the proportion equation
   111,846.02 : 154,404.68 = 86,294.97 : x
2. Step 2: Convert to fraction form
   111,846.02/154,404.68 = 86,294.97/x
3. Step 3: Cross multiply
   111,846.02x = 154,404.68 × 86,294.97
4. Step 4: Simplify right side
   111,846.02x = 13,324,347,282.39
5. Step 5: Solve for x
   x = 13,324,347,282.39/111,846.02
6. Step 6: Final answer
   x = 119,131.18