Finding the Fourth Proportional to 72,894.38, 108,942.18 and 53,214.38

Step by Step Solution

1. Step 1: Write the proportion equation
   72,894.38 : 108,942.18 = 53,214.38 : x
2. Step 2: Convert to fraction form
   72,894.38/108,942.18 = 53,214.38/x
3. Step 3: Cross multiply
   72,894.38x = 108,942.18 × 53,214.38
4. Step 4: Simplify right side
   72,894.38x = 5,797,290,564.55
5. Step 5: Solve for x
   x = 5,797,290,564.55/72,894.38
6. Step 6: Final answer
   x = 79,530.01