Finding the Fourth Proportional to 49,454.03, 73,821.31 and 45,799.31

Step by Step Solution

1. Step 1: Write the proportion equation
   49,454.03 : 73,821.31 = 45,799.31 : x
2. Step 2: Convert to fraction form
   49,454.03/73,821.31 = 45,799.31/x
3. Step 3: Cross multiply
   49,454.03x = 73,821.31 × 45,799.31
4. Step 4: Simplify right side
   49,454.03x = 3,380,964,832.30
5. Step 5: Solve for x
   x = 3,380,964,832.30/49,454.03
6. Step 6: Final answer
   x = 68,365.81