Finding the Fourth Proportional to 57,185.39, 78,913.58 and 31,692.84

Step by Step Solution

1. Step 1: Write the proportion equation
   57,185.39 : 78,913.58 = 31,692.84 : x
2. Step 2: Convert to fraction form
   57,185.39/78,913.58 = 31,692.84/x
3. Step 3: Cross multiply
   57,185.39x = 78,913.58 × 31,692.84
4. Step 4: Simplify right side
   57,185.39x = 2,500,995,010.38
5. Step 5: Solve for x
   x = 2,500,995,010.38/57,185.39
6. Step 6: Final answer
   x = 43,734.86