Finding the Fourth Proportional to 2,730.34, 3,767.28 and 1,889.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,730.34 : 3,767.28 = 1,889.71 : x
2. Step 2: Convert to fraction form
   2,730.34/3,767.28 = 1,889.71/x
3. Step 3: Cross multiply
   2,730.34x = 3,767.28 × 1,889.71
4. Step 4: Simplify right side
   2,730.34x = 7,119,066.69
5. Step 5: Solve for x
   x = 7,119,066.69/2,730.34
6. Step 6: Final answer
   x = 2,607.39