Finding the Fourth Proportional to 2,068.04, 3,102.51 and 681.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.04 : 3,102.51 = 681.32 : x
2. Step 2: Convert to fraction form
   2,068.04/3,102.51 = 681.32/x
3. Step 3: Cross multiply
   2,068.04x = 3,102.51 × 681.32
4. Step 4: Simplify right side
   2,068.04x = 2,113,786.60
5. Step 5: Solve for x
   x = 2,113,786.60/2,068.04
6. Step 6: Final answer
   x = 1,022.12