Finding the Fourth Proportional to 2,250.81, 3,106.17 and 1,256.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,250.81 : 3,106.17 = 1,256.16 : x
2. Step 2: Convert to fraction form
   2,250.81/3,106.17 = 1,256.16/x
3. Step 3: Cross multiply
   2,250.81x = 3,106.17 × 1,256.16
4. Step 4: Simplify right side
   2,250.81x = 3,901,846.51
5. Step 5: Solve for x
   x = 3,901,846.51/2,250.81
6. Step 6: Final answer
   x = 1,733.53