Finding the Fourth Proportional to 10,622.70, 15,932.76 and 2,832.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,622.70 : 15,932.76 = 2,832.12 : x
2. Step 2: Convert to fraction form
   10,622.70/15,932.76 = 2,832.12/x
3. Step 3: Cross multiply
   10,622.70x = 15,932.76 × 2,832.12
4. Step 4: Simplify right side
   10,622.70x = 45,123,488.25
5. Step 5: Solve for x
   x = 45,123,488.25/10,622.70
6. Step 6: Final answer
   x = 4,247.84