Finding the Fourth Proportional to 2,186.51, 3,276.51 and 953.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,186.51 : 3,276.51 = 953.25 : x
2. Step 2: Convert to fraction form
   2,186.51/3,276.51 = 953.25/x
3. Step 3: Cross multiply
   2,186.51x = 3,276.51 × 953.25
4. Step 4: Simplify right side
   2,186.51x = 3,123,333.16
5. Step 5: Solve for x
   x = 3,123,333.16/2,186.51
6. Step 6: Final answer
   x = 1,428.46