Finding the Fourth Proportional to 2,510.63, 3,464.34 and 1,391.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,510.63 : 3,464.34 = 1,391.51 : x
2. Step 2: Convert to fraction form
   2,510.63/3,464.34 = 1,391.51/x
3. Step 3: Cross multiply
   2,510.63x = 3,464.34 × 1,391.51
4. Step 4: Simplify right side
   2,510.63x = 4,820,672.41
5. Step 5: Solve for x
   x = 4,820,672.41/2,510.63
6. Step 6: Final answer
   x = 1,920.10