Finding the Fourth Proportional to 50,857.34, 76,285.98 and 19,692.59

Step by Step Solution

1. Step 1: Write the proportion equation
   50,857.34 : 76,285.98 = 19,692.59 : x
2. Step 2: Convert to fraction form
   50,857.34/76,285.98 = 19,692.59/x
3. Step 3: Cross multiply
   50,857.34x = 76,285.98 × 19,692.59
4. Step 4: Simplify right side
   50,857.34x = 1,502,268,145.46
5. Step 5: Solve for x
   x = 1,502,268,145.46/50,857.34
6. Step 6: Final answer
   x = 29,538.87