Finding the Fourth Proportional to 72,425.41, 108,680.49 and 30,301.96

Step by Step Solution

1. Step 1: Write the proportion equation
   72,425.41 : 108,680.49 = 30,301.96 : x
2. Step 2: Convert to fraction form
   72,425.41/108,680.49 = 30,301.96/x
3. Step 3: Cross multiply
   72,425.41x = 108,680.49 × 30,301.96
4. Step 4: Simplify right side
   72,425.41x = 3,293,231,860.76
5. Step 5: Solve for x
   x = 3,293,231,860.76/72,425.41
6. Step 6: Final answer
   x = 45,470.67