Finding the Fourth Proportional to 2,543.48, 3,814.64 and 694.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,543.48 : 3,814.64 = 694.74 : x
2. Step 2: Convert to fraction form
   2,543.48/3,814.64 = 694.74/x
3. Step 3: Cross multiply
   2,543.48x = 3,814.64 × 694.74
4. Step 4: Simplify right side
   2,543.48x = 2,650,200.34
5. Step 5: Solve for x
   x = 2,650,200.34/2,543.48
6. Step 6: Final answer
   x = 1,041.96