Finding the Fourth Proportional to 3,485.27, 5,230.24 and 1,926.43

Step by Step Solution

1. Step 1: Write the proportion equation
   3,485.27 : 5,230.24 = 1,926.43 : x
2. Step 2: Convert to fraction form
   3,485.27/5,230.24 = 1,926.43/x
3. Step 3: Cross multiply
   3,485.27x = 5,230.24 × 1,926.43
4. Step 4: Simplify right side
   3,485.27x = 10,075,673.35
5. Step 5: Solve for x
   x = 10,075,673.35/3,485.27
6. Step 6: Final answer
   x = 2,890.93