Finding the Fourth Proportional to 3,081.50, 4,620.88 and 889.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,081.50 : 4,620.88 = 889.71 : x
2. Step 2: Convert to fraction form
   3,081.50/4,620.88 = 889.71/x
3. Step 3: Cross multiply
   3,081.50x = 4,620.88 × 889.71
4. Step 4: Simplify right side
   3,081.50x = 4,111,243.14
5. Step 5: Solve for x
   x = 4,111,243.14/3,081.50
6. Step 6: Final answer
   x = 1,334.17