Finding the Fourth Proportional to 1,956.66, 2,916.89 and 1,926.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,956.66 : 2,916.89 = 1,926.69 : x
2. Step 2: Convert to fraction form
   1,956.66/2,916.89 = 1,926.69/x
3. Step 3: Cross multiply
   1,956.66x = 2,916.89 × 1,926.69
4. Step 4: Simplify right side
   1,956.66x = 5,619,933.16
5. Step 5: Solve for x
   x = 5,619,933.16/1,956.66
6. Step 6: Final answer
   x = 2,872.21