Finding the Fourth Proportional to 2,951.76, 4,072.17 and 1,889.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,951.76 : 4,072.17 = 1,889.29 : x
2. Step 2: Convert to fraction form
   2,951.76/4,072.17 = 1,889.29/x
3. Step 3: Cross multiply
   2,951.76x = 4,072.17 × 1,889.29
4. Step 4: Simplify right side
   2,951.76x = 7,693,522.23
5. Step 5: Solve for x
   x = 7,693,522.23/2,951.76
6. Step 6: Final answer
   x = 2,606.42