Finding the Fourth Proportional to 7,288.32, 10,930.34 and 2,845

Step by Step Solution

1. Step 1: Write the proportion equation
   7,288.32 : 10,930.34 = 2,845 : x
2. Step 2: Convert to fraction form
   7,288.32/10,930.34 = 2,845/x
3. Step 3: Cross multiply
   7,288.32x = 10,930.34 × 2,845
4. Step 4: Simplify right side
   7,288.32x = 31,096,817.30
5. Step 5: Solve for x
   x = 31,096,817.30/7,288.32
6. Step 6: Final answer
   x = 4,266.66