Finding the Fourth Proportional to 1,810.69, 2,716.94 and 714.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,810.69 : 2,716.94 = 714.76 : x
2. Step 2: Convert to fraction form
   1,810.69/2,716.94 = 714.76/x
3. Step 3: Cross multiply
   1,810.69x = 2,716.94 × 714.76
4. Step 4: Simplify right side
   1,810.69x = 1,941,955.03
5. Step 5: Solve for x
   x = 1,941,955.03/1,810.69
6. Step 6: Final answer
   x = 1,072.50