Finding the Fourth Proportional to 3,431.33, 5,153.89 and 2,047.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,431.33 : 5,153.89 = 2,047.37 : x
2. Step 2: Convert to fraction form
   3,431.33/5,153.89 = 2,047.37/x
3. Step 3: Cross multiply
   3,431.33x = 5,153.89 × 2,047.37
4. Step 4: Simplify right side
   3,431.33x = 10,551,914.65
5. Step 5: Solve for x
   x = 10,551,914.65/3,431.33
6. Step 6: Final answer
   x = 3,075.17