Finding the Fourth Proportional to 79,099.35, 109,157.15 and 43,289.34

Step by Step Solution

1. Step 1: Write the proportion equation
   79,099.35 : 109,157.15 = 43,289.34 : x
2. Step 2: Convert to fraction form
   79,099.35/109,157.15 = 43,289.34/x
3. Step 3: Cross multiply
   79,099.35x = 109,157.15 × 43,289.34
4. Step 4: Simplify right side
   79,099.35x = 4,725,340,763.33
5. Step 5: Solve for x
   x = 4,725,340,763.33/79,099.35
6. Step 6: Final answer
   x = 59,739.31