Finding the Fourth Proportional to 72,762.58, 108,968.77 and 49,317.94

Step by Step Solution

1. Step 1: Write the proportion equation
   72,762.58 : 108,968.77 = 49,317.94 : x
2. Step 2: Convert to fraction form
   72,762.58/108,968.77 = 49,317.94/x
3. Step 3: Cross multiply
   72,762.58x = 108,968.77 × 49,317.94
4. Step 4: Simplify right side
   72,762.58x = 5,374,115,260.73
5. Step 5: Solve for x
   x = 5,374,115,260.73/72,762.58
6. Step 6: Final answer
   x = 73,858.23