Finding the Fourth Proportional to 2,538.02, 3,815.61 and 2,050.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,538.02 : 3,815.61 = 2,050.45 : x
2. Step 2: Convert to fraction form
   2,538.02/3,815.61 = 2,050.45/x
3. Step 3: Cross multiply
   2,538.02x = 3,815.61 × 2,050.45
4. Step 4: Simplify right side
   2,538.02x = 7,823,707.27
5. Step 5: Solve for x
   x = 7,823,707.27/2,538.02
6. Step 6: Final answer
   x = 3,082.60