Finding the Fourth Proportional to 79,371.72, 109,529.46 and 43,561.80

Step by Step Solution

1. Step 1: Write the proportion equation
   79,371.72 : 109,529.46 = 43,561.80 : x
2. Step 2: Convert to fraction form
   79,371.72/109,529.46 = 43,561.80/x
3. Step 3: Cross multiply
   79,371.72x = 109,529.46 × 43,561.80
4. Step 4: Simplify right side
   79,371.72x = 4,771,300,430.63
5. Step 5: Solve for x
   x = 4,771,300,430.63/79,371.72
6. Step 6: Final answer
   x = 60,113.36