Finding the Fourth Proportional to 78,217.82, 108,029.69 and 53,023.58

Step by Step Solution

1. Step 1: Write the proportion equation
   78,217.82 : 108,029.69 = 53,023.58 : x
2. Step 2: Convert to fraction form
   78,217.82/108,029.69 = 53,023.58/x
3. Step 3: Cross multiply
   78,217.82x = 108,029.69 × 53,023.58
4. Step 4: Simplify right side
   78,217.82x = 5,728,120,910.09
5. Step 5: Solve for x
   x = 5,728,120,910.09/78,217.82
6. Step 6: Final answer
   x = 73,232.94