Finding the Fourth Proportional to 2,598.16, 3,900.30 and 2,050.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,598.16 : 3,900.30 = 2,050.72 : x
2. Step 2: Convert to fraction form
   2,598.16/3,900.30 = 2,050.72/x
3. Step 3: Cross multiply
   2,598.16x = 3,900.30 × 2,050.72
4. Step 4: Simplify right side
   2,598.16x = 7,998,423.22
5. Step 5: Solve for x
   x = 7,998,423.22/2,598.16
6. Step 6: Final answer
   x = 3,078.50