Finding the Fourth Proportional to 236,119.86, 354,085.83 and 86,326.02

Step by Step Solution

1. Step 1: Write the proportion equation
   236,119.86 : 354,085.83 = 86,326.02 : x
2. Step 2: Convert to fraction form
   236,119.86/354,085.83 = 86,326.02/x
3. Step 3: Cross multiply
   236,119.86x = 354,085.83 × 86,326.02
4. Step 4: Simplify right side
   236,119.86x = 30,566,820,442.30
5. Step 5: Solve for x
   x = 30,566,820,442.30/236,119.86
6. Step 6: Final answer
   x = 129,454.68