Finding the Fourth Proportional to 2,068.17, 3,102.45 and 681.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.17 : 3,102.45 = 681.52 : x
2. Step 2: Convert to fraction form
   2,068.17/3,102.45 = 681.52/x
3. Step 3: Cross multiply
   2,068.17x = 3,102.45 × 681.52
4. Step 4: Simplify right side
   2,068.17x = 2,114,381.72
5. Step 5: Solve for x
   x = 2,114,381.72/2,068.17
6. Step 6: Final answer
   x = 1,022.34