Finding the Fourth Proportional to 51,443.08, 71,014.42 and 30,223.72

Step by Step Solution

1. Step 1: Write the proportion equation
   51,443.08 : 71,014.42 = 30,223.72 : x
2. Step 2: Convert to fraction form
   51,443.08/71,014.42 = 30,223.72/x
3. Step 3: Cross multiply
   51,443.08x = 71,014.42 × 30,223.72
4. Step 4: Simplify right side
   51,443.08x = 2,146,319,946.04
5. Step 5: Solve for x
   x = 2,146,319,946.04/51,443.08
6. Step 6: Final answer
   x = 41,722.23