Finding the Fourth Proportional to 2,608.02, 3,913.10 and 1,376.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.02 : 3,913.10 = 1,376.51 : x
2. Step 2: Convert to fraction form
   2,608.02/3,913.10 = 1,376.51/x
3. Step 3: Cross multiply
   2,608.02x = 3,913.10 × 1,376.51
4. Step 4: Simplify right side
   2,608.02x = 5,386,394.83
5. Step 5: Solve for x
   x = 5,386,394.83/2,608.02
6. Step 6: Final answer
   x = 2,065.32