Finding the Fourth Proportional to 1,868.94, 2,580.93 and 1,510.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,868.94 : 2,580.93 = 1,510.38 : x
2. Step 2: Convert to fraction form
   1,868.94/2,580.93 = 1,510.38/x
3. Step 3: Cross multiply
   1,868.94x = 2,580.93 × 1,510.38
4. Step 4: Simplify right side
   1,868.94x = 3,898,185.05
5. Step 5: Solve for x
   x = 3,898,185.05/1,868.94
6. Step 6: Final answer
   x = 2,085.77