Finding the Fourth Proportional to 79,321.89, 109,463.90 and 49,101.19

Step by Step Solution

1. Step 1: Write the proportion equation
   79,321.89 : 109,463.90 = 49,101.19 : x
2. Step 2: Convert to fraction form
   79,321.89/109,463.90 = 49,101.19/x
3. Step 3: Cross multiply
   79,321.89x = 109,463.90 × 49,101.19
4. Step 4: Simplify right side
   79,321.89x = 5,374,807,752.04
5. Step 5: Solve for x
   x = 5,374,807,752.04/79,321.89
6. Step 6: Final answer
   x = 67,759.45