Finding the Fourth Proportional to 1,914.68, 2,870.73 and 681.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,914.68 : 2,870.73 = 681.41 : x
2. Step 2: Convert to fraction form
   1,914.68/2,870.73 = 681.41/x
3. Step 3: Cross multiply
   1,914.68x = 2,870.73 × 681.41
4. Step 4: Simplify right side
   1,914.68x = 1,956,151.31
5. Step 5: Solve for x
   x = 1,956,151.31/1,914.68
6. Step 6: Final answer
   x = 1,021.66