Finding the Fourth Proportional to 79,667.19, 109,940.67 and 43,857.05

Step by Step Solution

1. Step 1: Write the proportion equation
   79,667.19 : 109,940.67 = 43,857.05 : x
2. Step 2: Convert to fraction form
   79,667.19/109,940.67 = 43,857.05/x
3. Step 3: Cross multiply
   79,667.19x = 109,940.67 × 43,857.05
4. Step 4: Simplify right side
   79,667.19x = 4,821,672,911.52
5. Step 5: Solve for x
   x = 4,821,672,911.52/79,667.19
6. Step 6: Final answer
   x = 60,522.69