Finding the Fourth Proportional to 142,786.80, 214,093.80 and 63,886.32

Step by Step Solution

1. Step 1: Write the proportion equation
   142,786.80 : 214,093.80 = 63,886.32 : x
2. Step 2: Convert to fraction form
   142,786.80/214,093.80 = 63,886.32/x
3. Step 3: Cross multiply
   142,786.80x = 214,093.80 × 63,886.32
4. Step 4: Simplify right side
   142,786.80x = 13,677,665,016.82
5. Step 5: Solve for x
   x = 13,677,665,016.82/142,786.80
6. Step 6: Final answer
   x = 95,790.82