Finding the Fourth Proportional to 79,579.92, 109,820.25 and 43,772.34

Step by Step Solution

1. Step 1: Write the proportion equation
   79,579.92 : 109,820.25 = 43,772.34 : x
2. Step 2: Convert to fraction form
   79,579.92/109,820.25 = 43,772.34/x
3. Step 3: Cross multiply
   79,579.92x = 109,820.25 × 43,772.34
4. Step 4: Simplify right side
   79,579.92x = 4,807,089,321.89
5. Step 5: Solve for x
   x = 4,807,089,321.89/79,579.92
6. Step 6: Final answer
   x = 60,405.81