Finding the Fourth Proportional to 79,171.94, 109,257.32 and 43,364.21

Step by Step Solution

1. Step 1: Write the proportion equation
   79,171.94 : 109,257.32 = 43,364.21 : x
2. Step 2: Convert to fraction form
   79,171.94/109,257.32 = 43,364.21/x
3. Step 3: Cross multiply
   79,171.94x = 109,257.32 × 43,364.21
4. Step 4: Simplify right side
   79,171.94x = 4,737,857,151.70
5. Step 5: Solve for x
   x = 4,737,857,151.70/79,171.94
6. Step 6: Final answer
   x = 59,842.63