Finding the Fourth Proportional to 146,936.88, 202,818.72 and 86,502.72

Step by Step Solution

1. Step 1: Write the proportion equation
   146,936.88 : 202,818.72 = 86,502.72 : x
2. Step 2: Convert to fraction form
   146,936.88/202,818.72 = 86,502.72/x
3. Step 3: Cross multiply
   146,936.88x = 202,818.72 × 86,502.72
4. Step 4: Simplify right side
   146,936.88x = 17,544,370,946.92
5. Step 5: Solve for x
   x = 17,544,370,946.92/146,936.88
6. Step 6: Final answer
   x = 119,400.73