Finding the Fourth Proportional to 50,782.82, 70,058.17 and 30,628.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,782.82 : 70,058.17 = 30,628.50 : x
2. Step 2: Convert to fraction form
   50,782.82/70,058.17 = 30,628.50/x
3. Step 3: Cross multiply
   50,782.82x = 70,058.17 × 30,628.50
4. Step 4: Simplify right side
   50,782.82x = 2,145,776,263.13
5. Step 5: Solve for x
   x = 2,145,776,263.13/50,782.82
6. Step 6: Final answer
   x = 42,253.98