Finding the Fourth Proportional to 1,681.29, 2,520.59 and 756.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,681.29 : 2,520.59 = 756.41 : x
2. Step 2: Convert to fraction form
   1,681.29/2,520.59 = 756.41/x
3. Step 3: Cross multiply
   1,681.29x = 2,520.59 × 756.41
4. Step 4: Simplify right side
   1,681.29x = 1,906,583.10
5. Step 5: Solve for x
   x = 1,906,583.10/1,681.29
6. Step 6: Final answer
   x = 1,134.00