Finding the Fourth Proportional to 3,770.06, 5,658.12 and 2,128.19

Step by Step Solution

1. Step 1: Write the proportion equation
   3,770.06 : 5,658.12 = 2,128.19 : x
2. Step 2: Convert to fraction form
   3,770.06/5,658.12 = 2,128.19/x
3. Step 3: Cross multiply
   3,770.06x = 5,658.12 × 2,128.19
4. Step 4: Simplify right side
   3,770.06x = 12,041,554.40
5. Step 5: Solve for x
   x = 12,041,554.40/3,770.06
6. Step 6: Final answer
   x = 3,194.00