Finding the Fourth Proportional to 79,693.56, 109,974.24 and 47,843.64

Step by Step Solution

1. Step 1: Write the proportion equation
   79,693.56 : 109,974.24 = 47,843.64 : x
2. Step 2: Convert to fraction form
   79,693.56/109,974.24 = 47,843.64/x
3. Step 3: Cross multiply
   79,693.56x = 109,974.24 × 47,843.64
4. Step 4: Simplify right side
   79,693.56x = 5,261,567,947.83
5. Step 5: Solve for x
   x = 5,261,567,947.83/79,693.56
6. Step 6: Final answer
   x = 66,022.50