Finding the Fourth Proportional to 2,610.46, 3,912.94 and 1,051.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.46 : 3,912.94 = 1,051.57 : x
2. Step 2: Convert to fraction form
   2,610.46/3,912.94 = 1,051.57/x
3. Step 3: Cross multiply
   2,610.46x = 3,912.94 × 1,051.57
4. Step 4: Simplify right side
   2,610.46x = 4,114,730.32
5. Step 5: Solve for x
   x = 4,114,730.32/2,610.46
6. Step 6: Final answer
   x = 1,576.25