Finding the Fourth Proportional to 51,998.52, 71,762.04 and 30,789.48

Step by Step Solution

1. Step 1: Write the proportion equation
   51,998.52 : 71,762.04 = 30,789.48 : x
2. Step 2: Convert to fraction form
   51,998.52/71,762.04 = 30,789.48/x
3. Step 3: Cross multiply
   51,998.52x = 71,762.04 × 30,789.48
4. Step 4: Simplify right side
   51,998.52x = 2,209,515,895.34
5. Step 5: Solve for x
   x = 2,209,515,895.34/51,998.52
6. Step 6: Final answer
   x = 42,491.90