Finding the Fourth Proportional to 51,588, 71,191.44 and 30,380.31

Step by Step Solution

1. Step 1: Write the proportion equation
   51,588 : 71,191.44 = 30,380.31 : x
2. Step 2: Convert to fraction form
   51,588/71,191.44 = 30,380.31/x
3. Step 3: Cross multiply
   51,588x = 71,191.44 × 30,380.31
4. Step 4: Simplify right side
   51,588x = 2,162,818,016.55
5. Step 5: Solve for x
   x = 2,162,818,016.55/51,588
6. Step 6: Final answer
   x = 41,924.83