Finding the Fourth Proportional to 51,555, 71,144.69 and 30,335.64

Step by Step Solution

1. Step 1: Write the proportion equation
   51,555 : 71,144.69 = 30,335.64 : x
2. Step 2: Convert to fraction form
   51,555/71,144.69 = 30,335.64/x
3. Step 3: Cross multiply
   51,555x = 71,144.69 × 30,335.64
4. Step 4: Simplify right side
   51,555x = 2,158,219,703.75
5. Step 5: Solve for x
   x = 2,158,219,703.75/51,555
6. Step 6: Final answer
   x = 41,862.47