Finding the Fourth Proportional to 2,742.72, 3,783.41 and 1,681.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,742.72 : 3,783.41 = 1,681.00 : x
2. Step 2: Convert to fraction form
   2,742.72/3,783.41 = 1,681.00/x
3. Step 3: Cross multiply
   2,742.72x = 3,783.41 × 1,681.00
4. Step 4: Simplify right side
   2,742.72x = 6,359,889.09
5. Step 5: Solve for x
   x = 6,359,889.09/2,742.72
6. Step 6: Final answer
   x = 2,318.83