Finding the Fourth Proportional to 79,111.50, 109,173.87 and 43,783.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,111.50 : 109,173.87 = 43,783.50 : x
2. Step 2: Convert to fraction form
   79,111.50/109,173.87 = 43,783.50/x
3. Step 3: Cross multiply
   79,111.50x = 109,173.87 × 43,783.50
4. Step 4: Simplify right side
   79,111.50x = 4,780,014,137.15
5. Step 5: Solve for x
   x = 4,780,014,137.15/79,111.50
6. Step 6: Final answer
   x = 60,421.23