Finding the Fourth Proportional to 3,371.62, 5,055.72 and 1,985.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,371.62 : 5,055.72 = 1,985.38 : x
2. Step 2: Convert to fraction form
   3,371.62/5,055.72 = 1,985.38/x
3. Step 3: Cross multiply
   3,371.62x = 5,055.72 × 1,985.38
4. Step 4: Simplify right side
   3,371.62x = 10,037,525.37
5. Step 5: Solve for x
   x = 10,037,525.37/3,371.62
6. Step 6: Final answer
   x = 2,977.06