Finding the Fourth Proportional to 51,789.30, 71,466.48 and 30,560.82

Step by Step Solution

1. Step 1: Write the proportion equation
   51,789.30 : 71,466.48 = 30,560.82 : x
2. Step 2: Convert to fraction form
   51,789.30/71,466.48 = 30,560.82/x
3. Step 3: Cross multiply
   51,789.30x = 71,466.48 × 30,560.82
4. Step 4: Simplify right side
   51,789.30x = 2,184,074,231.31
5. Step 5: Solve for x
   x = 2,184,074,231.31/51,789.30
6. Step 6: Final answer
   x = 42,172.31