Finding the Fourth Proportional to 52,211.00, 71,996.69 and 30,986.16

Step by Step Solution

1. Step 1: Write the proportion equation
   52,211.00 : 71,996.69 = 30,986.16 : x
2. Step 2: Convert to fraction form
   52,211.00/71,996.69 = 30,986.16/x
3. Step 3: Cross multiply
   52,211.00x = 71,996.69 × 30,986.16
4. Step 4: Simplify right side
   52,211.00x = 2,230,901,033.28
5. Step 5: Solve for x
   x = 2,230,901,033.28/52,211.00
6. Step 6: Final answer
   x = 42,728.57