Finding the Fourth Proportional to 72,300.28, 108,309.17 and 49,806.98

Step by Step Solution

1. Step 1: Write the proportion equation
   72,300.28 : 108,309.17 = 49,806.98 : x
2. Step 2: Convert to fraction form
   72,300.28/108,309.17 = 49,806.98/x
3. Step 3: Cross multiply
   72,300.28x = 108,309.17 × 49,806.98
4. Step 4: Simplify right side
   72,300.28x = 5,394,552,934.78
5. Step 5: Solve for x
   x = 5,394,552,934.78/72,300.28
6. Step 6: Final answer
   x = 74,613.17