Finding the Fourth Proportional to 79,089.48, 109,143.47 and 43,279.49

Step by Step Solution

1. Step 1: Write the proportion equation
   79,089.48 : 109,143.47 = 43,279.49 : x
2. Step 2: Convert to fraction form
   79,089.48/109,143.47 = 43,279.49/x
3. Step 3: Cross multiply
   79,089.48x = 109,143.47 × 43,279.49
4. Step 4: Simplify right side
   79,089.48x = 4,723,673,718.43
5. Step 5: Solve for x
   x = 4,723,673,718.43/79,089.48
6. Step 6: Final answer
   x = 59,725.69