Finding the Fourth Proportional to 3,692.59, 5,095.71 and 2,120.58

Step by Step Solution

1. Step 1: Write the proportion equation
   3,692.59 : 5,095.71 = 2,120.58 : x
2. Step 2: Convert to fraction form
   3,692.59/5,095.71 = 2,120.58/x
3. Step 3: Cross multiply
   3,692.59x = 5,095.71 × 2,120.58
4. Step 4: Simplify right side
   3,692.59x = 10,805,860.71
5. Step 5: Solve for x
   x = 10,805,860.71/3,692.59
6. Step 6: Final answer
   x = 2,926.37