Finding the Fourth Proportional to 72,301.98, 108,266.12 and 49,881.79

Step by Step Solution

1. Step 1: Write the proportion equation
   72,301.98 : 108,266.12 = 49,881.79 : x
2. Step 2: Convert to fraction form
   72,301.98/108,266.12 = 49,881.79/x
3. Step 3: Cross multiply
   72,301.98x = 108,266.12 × 49,881.79
4. Step 4: Simplify right side
   72,301.98x = 5,400,507,934.94
5. Step 5: Solve for x
   x = 5,400,507,934.94/72,301.98
6. Step 6: Final answer
   x = 74,693.77