Finding the Fourth Proportional to 2,543.23, 3,814.30 and 982.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,543.23 : 3,814.30 = 982.72 : x
2. Step 2: Convert to fraction form
   2,543.23/3,814.30 = 982.72/x
3. Step 3: Cross multiply
   2,543.23x = 3,814.30 × 982.72
4. Step 4: Simplify right side
   2,543.23x = 3,748,394.89
5. Step 5: Solve for x
   x = 3,748,394.89/2,543.23
6. Step 6: Final answer
   x = 1,473.87