Finding the Fourth Proportional to 165,674.95, 248,586.33 and 86,770.82

Step by Step Solution

1. Step 1: Write the proportion equation
   165,674.95 : 248,586.33 = 86,770.82 : x
2. Step 2: Convert to fraction form
   165,674.95/248,586.33 = 86,770.82/x
3. Step 3: Cross multiply
   165,674.95x = 248,586.33 × 86,770.82
4. Step 4: Simplify right side
   165,674.95x = 21,570,039,694.89
5. Step 5: Solve for x
   x = 21,570,039,694.89/165,674.95
6. Step 6: Final answer
   x = 130,194.94