Finding the Fourth Proportional to 79,478.20, 109,681.73 and 43,665.94

Step by Step Solution

1. Step 1: Write the proportion equation
   79,478.20 : 109,681.73 = 43,665.94 : x
2. Step 2: Convert to fraction form
   79,478.20/109,681.73 = 43,665.94/x
3. Step 3: Cross multiply
   79,478.20x = 109,681.73 × 43,665.94
4. Step 4: Simplify right side
   79,478.20x = 4,789,355,841.28
5. Step 5: Solve for x
   x = 4,789,355,841.28/79,478.20
6. Step 6: Final answer
   x = 60,259.99