Finding the Fourth Proportional to 236,784.11, 354,954.72 and 86,984.18

Step by Step Solution

1. Step 1: Write the proportion equation
   236,784.11 : 354,954.72 = 86,984.18 : x
2. Step 2: Convert to fraction form
   236,784.11/354,954.72 = 86,984.18/x
3. Step 3: Cross multiply
   236,784.11x = 354,954.72 × 86,984.18
4. Step 4: Simplify right side
   236,784.11x = 30,875,443,481.56
5. Step 5: Solve for x
   x = 30,875,443,481.56/236,784.11
6. Step 6: Final answer
   x = 130,394.92