Finding the Fourth Proportional to 2,510.33, 3,463.89 and 1,390.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,510.33 : 3,463.89 = 1,390.98 : x
2. Step 2: Convert to fraction form
   2,510.33/3,463.89 = 1,390.98/x
3. Step 3: Cross multiply
   2,510.33x = 3,463.89 × 1,390.98
4. Step 4: Simplify right side
   2,510.33x = 4,818,201.71
5. Step 5: Solve for x
   x = 4,818,201.71/2,510.33
6. Step 6: Final answer
   x = 1,919.35