Finding the Fourth Proportional to 3,678.02, 5,075.56 and 1,999.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,678.02 : 5,075.56 = 1,999.37 : x
2. Step 2: Convert to fraction form
   3,678.02/5,075.56 = 1,999.37/x
3. Step 3: Cross multiply
   3,678.02x = 5,075.56 × 1,999.37
4. Step 4: Simplify right side
   3,678.02x = 10,147,892.02
5. Step 5: Solve for x
   x = 10,147,892.02/3,678.02
6. Step 6: Final answer
   x = 2,759.07