Finding the Fourth Proportional to 104,150.72, 143,742.30 and 63,857.36

Step by Step Solution

1. Step 1: Write the proportion equation
   104,150.72 : 143,742.30 = 63,857.36 : x
2. Step 2: Convert to fraction form
   104,150.72/143,742.30 = 63,857.36/x
3. Step 3: Cross multiply
   104,150.72x = 143,742.30 × 63,857.36
4. Step 4: Simplify right side
   104,150.72x = 9,179,003,798.33
5. Step 5: Solve for x
   x = 9,179,003,798.33/104,150.72
6. Step 6: Final answer
   x = 88,131.93