Finding the Fourth Proportional to 2,569.86, 3,847.23 and 1,956.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,569.86 : 3,847.23 = 1,956.06 : x
2. Step 2: Convert to fraction form
   2,569.86/3,847.23 = 1,956.06/x
3. Step 3: Cross multiply
   2,569.86x = 3,847.23 × 1,956.06
4. Step 4: Simplify right side
   2,569.86x = 7,525,412.71
5. Step 5: Solve for x
   x = 7,525,412.71/2,569.86
6. Step 6: Final answer
   x = 2,928.34