Finding the Fourth Proportional to 2,186.34, 3,017.43 and 1,254.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,186.34 : 3,017.43 = 1,254.84 : x
2. Step 2: Convert to fraction form
   2,186.34/3,017.43 = 1,254.84/x
3. Step 3: Cross multiply
   2,186.34x = 3,017.43 × 1,254.84
4. Step 4: Simplify right side
   2,186.34x = 3,786,391.86
5. Step 5: Solve for x
   x = 3,786,391.86/2,186.34
6. Step 6: Final answer
   x = 1,731.84