Finding the Fourth Proportional to 1,713.86, 2,570.89 and 543.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,713.86 : 2,570.89 = 543.96 : x
2. Step 2: Convert to fraction form
   1,713.86/2,570.89 = 543.96/x
3. Step 3: Cross multiply
   1,713.86x = 2,570.89 × 543.96
4. Step 4: Simplify right side
   1,713.86x = 1,398,450.32
5. Step 5: Solve for x
   x = 1,398,450.32/1,713.86
6. Step 6: Final answer
   x = 815.96