Finding the Fourth Proportional to 79,533.60, 109,756.42 and 43,724.21

Step by Step Solution

1. Step 1: Write the proportion equation
   79,533.60 : 109,756.42 = 43,724.21 : x
2. Step 2: Convert to fraction form
   79,533.60/109,756.42 = 43,724.21/x
3. Step 3: Cross multiply
   79,533.60x = 109,756.42 × 43,724.21
4. Step 4: Simplify right side
   79,533.60x = 4,799,012,098.84
5. Step 5: Solve for x
   x = 4,799,012,098.84/79,533.60
6. Step 6: Final answer
   x = 60,339.43