Finding the Fourth Proportional to 2,276.16, 3,411.73 and 889.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276.16 : 3,411.73 = 889.08 : x
2. Step 2: Convert to fraction form
   2,276.16/3,411.73 = 889.08/x
3. Step 3: Cross multiply
   2,276.16x = 3,411.73 × 889.08
4. Step 4: Simplify right side
   2,276.16x = 3,033,300.91
5. Step 5: Solve for x
   x = 3,033,300.91/2,276.16
6. Step 6: Final answer
   x = 1,332.64