Finding the Fourth Proportional to 112,357.08, 155,046.42 and 67,086.18

Step by Step Solution

1. Step 1: Write the proportion equation
   112,357.08 : 155,046.42 = 67,086.18 : x
2. Step 2: Convert to fraction form
   112,357.08/155,046.42 = 67,086.18/x
3. Step 3: Cross multiply
   112,357.08x = 155,046.42 × 67,086.18
4. Step 4: Simplify right side
   112,357.08x = 10,401,472,040.48
5. Step 5: Solve for x
   x = 10,401,472,040.48/112,357.08
6. Step 6: Final answer
   x = 92,575.14