Finding the Fourth Proportional to 1,694.00, 2,543.73 and 1,277.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,694.00 : 2,543.73 = 1,277.55 : x
2. Step 2: Convert to fraction form
   1,694.00/2,543.73 = 1,277.55/x
3. Step 3: Cross multiply
   1,694.00x = 2,543.73 × 1,277.55
4. Step 4: Simplify right side
   1,694.00x = 3,249,742.26
5. Step 5: Solve for x
   x = 3,249,742.26/1,694.00
6. Step 6: Final answer
   x = 1,918.39