Finding the Fourth Proportional to 1,916.59, 2,644.94 and 1,065.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,916.59 : 2,644.94 = 1,065.93 : x
2. Step 2: Convert to fraction form
   1,916.59/2,644.94 = 1,065.93/x
3. Step 3: Cross multiply
   1,916.59x = 2,644.94 × 1,065.93
4. Step 4: Simplify right side
   1,916.59x = 2,819,320.89
5. Step 5: Solve for x
   x = 2,819,320.89/1,916.59
6. Step 6: Final answer
   x = 1,471.01