Finding the Fourth Proportional to 50,648.63, 69,897.56 and 30,511.83

Step by Step Solution

1. Step 1: Write the proportion equation
   50,648.63 : 69,897.56 = 30,511.83 : x
2. Step 2: Convert to fraction form
   50,648.63/69,897.56 = 30,511.83/x
3. Step 3: Cross multiply
   50,648.63x = 69,897.56 × 30,511.83
4. Step 4: Simplify right side
   50,648.63x = 2,132,702,315.58
5. Step 5: Solve for x
   x = 2,132,702,315.58/50,648.63
6. Step 6: Final answer
   x = 42,107.80