Finding the Fourth Proportional to 72,301.28, 108,310.67 and 49,807.98

Step by Step Solution

1. Step 1: Write the proportion equation
   72,301.28 : 108,310.67 = 49,807.98 : x
2. Step 2: Convert to fraction form
   72,301.28/108,310.67 = 49,807.98/x
3. Step 3: Cross multiply
   72,301.28x = 108,310.67 × 49,807.98
4. Step 4: Simplify right side
   72,301.28x = 5,394,735,685.15
5. Step 5: Solve for x
   x = 5,394,735,685.15/72,301.28
6. Step 6: Final answer
   x = 74,614.66