Finding the Fourth Proportional to 2,614.56, 3,916.32 and 1,788.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,614.56 : 3,916.32 = 1,788.96 : x
2. Step 2: Convert to fraction form
   2,614.56/3,916.32 = 1,788.96/x
3. Step 3: Cross multiply
   2,614.56x = 3,916.32 × 1,788.96
4. Step 4: Simplify right side
   2,614.56x = 7,006,139.83
5. Step 5: Solve for x
   x = 7,006,139.83/2,614.56
6. Step 6: Final answer
   x = 2,679.66