Finding the Fourth Proportional to 3,692.30, 5,095.89 and 2,120.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,692.30 : 5,095.89 = 2,120.12 : x
2. Step 2: Convert to fraction form
   3,692.30/5,095.89 = 2,120.12/x
3. Step 3: Cross multiply
   3,692.30x = 5,095.89 × 2,120.12
4. Step 4: Simplify right side
   3,692.30x = 10,803,898.31
5. Step 5: Solve for x
   x = 10,803,898.31/3,692.30
6. Step 6: Final answer
   x = 2,926.06