Finding the Fourth Proportional to 114,793.80, 158,458.42 and 86,196.07

Step by Step Solution

1. Step 1: Write the proportion equation
   114,793.80 : 158,458.42 = 86,196.07 : x
2. Step 2: Convert to fraction form
   114,793.80/158,458.42 = 86,196.07/x
3. Step 3: Cross multiply
   114,793.80x = 158,458.42 × 86,196.07
4. Step 4: Simplify right side
   114,793.80x = 13,658,492,883.37
5. Step 5: Solve for x
   x = 13,658,492,883.37/114,793.80
6. Step 6: Final answer
   x = 118,982.85