Finding the Fourth Proportional to 2,068.07, 3,101.35 and 681.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.07 : 3,101.35 = 681.15 : x
2. Step 2: Convert to fraction form
   2,068.07/3,101.35 = 681.15/x
3. Step 3: Cross multiply
   2,068.07x = 3,101.35 × 681.15
4. Step 4: Simplify right side
   2,068.07x = 2,112,484.55
5. Step 5: Solve for x
   x = 2,112,484.55/2,068.07
6. Step 6: Final answer
   x = 1,021.48