Finding the Fourth Proportional to 3,084.72, 4,256.33 and 1,906.17

Step by Step Solution

1. Step 1: Write the proportion equation
   3,084.72 : 4,256.33 = 1,906.17 : x
2. Step 2: Convert to fraction form
   3,084.72/4,256.33 = 1,906.17/x
3. Step 3: Cross multiply
   3,084.72x = 4,256.33 × 1,906.17
4. Step 4: Simplify right side
   3,084.72x = 8,113,279.03
5. Step 5: Solve for x
   x = 8,113,279.03/3,084.72
6. Step 6: Final answer
   x = 2,630.15