Finding the Fourth Proportional to 1,810.46, 2,713.83 and 715.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,810.46 : 2,713.83 = 715.58 : x
2. Step 2: Convert to fraction form
   1,810.46/2,713.83 = 715.58/x
3. Step 3: Cross multiply
   1,810.46x = 2,713.83 × 715.58
4. Step 4: Simplify right side
   1,810.46x = 1,941,948.90
5. Step 5: Solve for x
   x = 1,941,948.90/1,810.46
6. Step 6: Final answer
   x = 1,072.63