Finding the Fourth Proportional to 146,986.38, 202,835.32 and 86,559.57

Step by Step Solution

1. Step 1: Write the proportion equation
   146,986.38 : 202,835.32 = 86,559.57 : x
2. Step 2: Convert to fraction form
   146,986.38/202,835.32 = 86,559.57/x
3. Step 3: Cross multiply
   146,986.38x = 202,835.32 × 86,559.57
4. Step 4: Simplify right side
   146,986.38x = 17,557,338,080.01
5. Step 5: Solve for x
   x = 17,557,338,080.01/146,986.38
6. Step 6: Final answer
   x = 119,448.74