Finding the Fourth Proportional to 2,077.61, 2,869.58 and 1,517.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.61 : 2,869.58 = 1,517.18 : x
2. Step 2: Convert to fraction form
   2,077.61/2,869.58 = 1,517.18/x
3. Step 3: Cross multiply
   2,077.61x = 2,869.58 × 1,517.18
4. Step 4: Simplify right side
   2,077.61x = 4,353,669.38
5. Step 5: Solve for x
   x = 4,353,669.38/2,077.61
6. Step 6: Final answer
   x = 2,095.52