Finding the Fourth Proportional to 43,279, 59,725.02 and 30,725.62

Step by Step Solution

1. Step 1: Write the proportion equation
   43,279 : 59,725.02 = 30,725.62 : x
2. Step 2: Convert to fraction form
   43,279/59,725.02 = 30,725.62/x
3. Step 3: Cross multiply
   43,279x = 59,725.02 × 30,725.62
4. Step 4: Simplify right side
   43,279x = 1,835,088,269.01
5. Step 5: Solve for x
   x = 1,835,088,269.01/43,279
6. Step 6: Final answer
   x = 42,401.36