Finding the Fourth Proportional to 2,505.76, 3,455.40 and 1,510.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,505.76 : 3,455.40 = 1,510.84 : x
2. Step 2: Convert to fraction form
   2,505.76/3,455.40 = 1,510.84/x
3. Step 3: Cross multiply
   2,505.76x = 3,455.40 × 1,510.84
4. Step 4: Simplify right side
   2,505.76x = 5,220,556.54
5. Step 5: Solve for x
   x = 5,220,556.54/2,505.76
6. Step 6: Final answer
   x = 2,083.42