Finding the Fourth Proportional to 47,171.16, 65,104.56 and 28,309.50

Step by Step Solution

1. Step 1: Write the proportion equation
   47,171.16 : 65,104.56 = 28,309.50 : x
2. Step 2: Convert to fraction form
   47,171.16/65,104.56 = 28,309.50/x
3. Step 3: Cross multiply
   47,171.16x = 65,104.56 × 28,309.50
4. Step 4: Simplify right side
   47,171.16x = 1,843,077,541.32
5. Step 5: Solve for x
   x = 1,843,077,541.32/47,171.16
6. Step 6: Final answer
   x = 39,072.13