Finding the Fourth Proportional to 72,902.38, 108,954.12 and 53,222.38

Step by Step Solution

1. Step 1: Write the proportion equation
   72,902.38 : 108,954.12 = 53,222.38 : x
2. Step 2: Convert to fraction form
   72,902.38/108,954.12 = 53,222.38/x
3. Step 3: Cross multiply
   72,902.38x = 108,954.12 × 53,222.38
4. Step 4: Simplify right side
   72,902.38x = 5,798,797,577.21
5. Step 5: Solve for x
   x = 5,798,797,577.21/72,902.38
6. Step 6: Final answer
   x = 79,541.95