Finding the Fourth Proportional to 78,216.82, 108,028.31 and 53,022.58

Step by Step Solution

1. Step 1: Write the proportion equation
   78,216.82 : 108,028.31 = 53,022.58 : x
2. Step 2: Convert to fraction form
   78,216.82/108,028.31 = 53,022.58/x
3. Step 3: Cross multiply
   78,216.82x = 108,028.31 × 53,022.58
4. Step 4: Simplify right side
   78,216.82x = 5,727,939,444.13
5. Step 5: Solve for x
   x = 5,727,939,444.13/78,216.82
6. Step 6: Final answer
   x = 73,231.56