Finding the Fourth Proportional to 2,276.59, 3,412.70 and 889.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276.59 : 3,412.70 = 889.46 : x
2. Step 2: Convert to fraction form
   2,276.59/3,412.70 = 889.46/x
3. Step 3: Cross multiply
   2,276.59x = 3,412.70 × 889.46
4. Step 4: Simplify right side
   2,276.59x = 3,035,470.90
5. Step 5: Solve for x
   x = 3,035,470.90/2,276.59
6. Step 6: Final answer
   x = 1,333.34