Finding the Fourth Proportional to 2,576.74, 3,866.74 and 1,345.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,576.74 : 3,866.74 = 1,345.02 : x
2. Step 2: Convert to fraction form
   2,576.74/3,866.74 = 1,345.02/x
3. Step 3: Cross multiply
   2,576.74x = 3,866.74 × 1,345.02
4. Step 4: Simplify right side
   2,576.74x = 5,200,842.63
5. Step 5: Solve for x
   x = 5,200,842.63/2,576.74
6. Step 6: Final answer
   x = 2,018.38