Finding the Fourth Proportional to 1,916.89, 2,873.34 and 1,300.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,916.89 : 2,873.34 = 1,300.65 : x
2. Step 2: Convert to fraction form
   1,916.89/2,873.34 = 1,300.65/x
3. Step 3: Cross multiply
   1,916.89x = 2,873.34 × 1,300.65
4. Step 4: Simplify right side
   1,916.89x = 3,737,209.67
5. Step 5: Solve for x
   x = 3,737,209.67/1,916.89
6. Step 6: Final answer
   x = 1,949.62