Finding the Fourth Proportional to 146,036.15, 201,529.91 and 78,968.15

Step by Step Solution

1. Step 1: Write the proportion equation
   146,036.15 : 201,529.91 = 78,968.15 : x
2. Step 2: Convert to fraction form
   146,036.15/201,529.91 = 78,968.15/x
3. Step 3: Cross multiply
   146,036.15x = 201,529.91 × 78,968.15
4. Step 4: Simplify right side
   146,036.15x = 15,914,444,162.37
5. Step 5: Solve for x
   x = 15,914,444,162.37/146,036.15
6. Step 6: Final answer
   x = 108,976.06