Finding the Fourth Proportional to 2,186.49, 3,277.89 and 953.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,186.49 : 3,277.89 = 953.00 : x
2. Step 2: Convert to fraction form
   2,186.49/3,277.89 = 953.00/x
3. Step 3: Cross multiply
   2,186.49x = 3,277.89 × 953.00
4. Step 4: Simplify right side
   2,186.49x = 3,123,812.78
5. Step 5: Solve for x
   x = 3,123,812.78/2,186.49
6. Step 6: Final answer
   x = 1,428.69