Finding the Fourth Proportional to 2,068.32, 3,102.33 and 681.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.32 : 3,102.33 = 681.45 : x
2. Step 2: Convert to fraction form
   2,068.32/3,102.33 = 681.45/x
3. Step 3: Cross multiply
   2,068.32x = 3,102.33 × 681.45
4. Step 4: Simplify right side
   2,068.32x = 2,114,082.78
5. Step 5: Solve for x
   x = 2,114,082.78/2,068.32
6. Step 6: Final answer
   x = 1,022.13