Finding the Fourth Proportional to 50,109.98, 69,125.56 and 30,983.64

Step by Step Solution

1. Step 1: Write the proportion equation
   50,109.98 : 69,125.56 = 30,983.64 : x
2. Step 2: Convert to fraction form
   50,109.98/69,125.56 = 30,983.64/x
3. Step 3: Cross multiply
   50,109.98x = 69,125.56 × 30,983.64
4. Step 4: Simplify right side
   50,109.98x = 2,141,761,465.84
5. Step 5: Solve for x
   x = 2,141,761,465.84/50,109.98
6. Step 6: Final answer
   x = 42,741.22