Finding the Fourth Proportional to 2,276.67, 3,416.52 and 889.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276.67 : 3,416.52 = 889.74 : x
2. Step 2: Convert to fraction form
   2,276.67/3,416.52 = 889.74/x
3. Step 3: Cross multiply
   2,276.67x = 3,416.52 × 889.74
4. Step 4: Simplify right side
   2,276.67x = 3,039,814.50
5. Step 5: Solve for x
   x = 3,039,814.50/2,276.67
6. Step 6: Final answer
   x = 1,335.20