Finding the Fourth Proportional to 2,543.63, 3,814.06 and 1,081.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,543.63 : 3,814.06 = 1,081.98 : x
2. Step 2: Convert to fraction form
   2,543.63/3,814.06 = 1,081.98/x
3. Step 3: Cross multiply
   2,543.63x = 3,814.06 × 1,081.98
4. Step 4: Simplify right side
   2,543.63x = 4,126,736.64
5. Step 5: Solve for x
   x = 4,126,736.64/2,543.63
6. Step 6: Final answer
   x = 1,622.38