Finding the Fourth Proportional to 2,516.45, 3,771.68 and 1,898.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,516.45 : 3,771.68 = 1,898.10 : x
2. Step 2: Convert to fraction form
   2,516.45/3,771.68 = 1,898.10/x
3. Step 3: Cross multiply
   2,516.45x = 3,771.68 × 1,898.10
4. Step 4: Simplify right side
   2,516.45x = 7,159,016.32
5. Step 5: Solve for x
   x = 7,159,016.32/2,516.45
6. Step 6: Final answer
   x = 2,844.89