Finding the Fourth Proportional to 6,211.86, 8,570.53 and 3,692.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,211.86 : 8,570.53 = 3,692.69 : x
2. Step 2: Convert to fraction form
   6,211.86/8,570.53 = 3,692.69/x
3. Step 3: Cross multiply
   6,211.86x = 8,570.53 × 3,692.69
4. Step 4: Simplify right side
   6,211.86x = 31,648,310.43
5. Step 5: Solve for x
   x = 31,648,310.43/6,211.86
6. Step 6: Final answer
   x = 5,094.82