Finding the Fourth Proportional to 2,589.94, 3,885.22 and 947.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,589.94 : 3,885.22 = 947.26 : x
2. Step 2: Convert to fraction form
   2,589.94/3,885.22 = 947.26/x
3. Step 3: Cross multiply
   2,589.94x = 3,885.22 × 947.26
4. Step 4: Simplify right side
   2,589.94x = 3,680,313.50
5. Step 5: Solve for x
   x = 3,680,313.50/2,589.94
6. Step 6: Final answer
   x = 1,421.00