Finding the Fourth Proportional to 50,710.29, 69,986.07 and 30,577.47

Step by Step Solution

1. Step 1: Write the proportion equation
   50,710.29 : 69,986.07 = 30,577.47 : x
2. Step 2: Convert to fraction form
   50,710.29/69,986.07 = 30,577.47/x
3. Step 3: Cross multiply
   50,710.29x = 69,986.07 × 30,577.47
4. Step 4: Simplify right side
   50,710.29x = 2,139,996,955.84
5. Step 5: Solve for x
   x = 2,139,996,955.84/50,710.29
6. Step 6: Final answer
   x = 42,200.45