Finding the Fourth Proportional to 2,100.66, 2,894.90 and 1,510.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.66 : 2,894.90 = 1,510.17 : x
2. Step 2: Convert to fraction form
   2,100.66/2,894.90 = 1,510.17/x
3. Step 3: Cross multiply
   2,100.66x = 2,894.90 × 1,510.17
4. Step 4: Simplify right side
   2,100.66x = 4,371,783.58
5. Step 5: Solve for x
   x = 4,371,783.58/2,100.66
6. Step 6: Final answer
   x = 2,081.15