Finding the Fourth Proportional to 50,692.50, 69,955.65 and 30,549.69

Step by Step Solution

1. Step 1: Write the proportion equation
   50,692.50 : 69,955.65 = 30,549.69 : x
2. Step 2: Convert to fraction form
   50,692.50/69,955.65 = 30,549.69/x
3. Step 3: Cross multiply
   50,692.50x = 69,955.65 × 30,549.69
4. Step 4: Simplify right side
   50,692.50x = 2,137,123,421.25
5. Step 5: Solve for x
   x = 2,137,123,421.25/50,692.50
6. Step 6: Final answer
   x = 42,158.57