Finding the Fourth Proportional to 2,606.18, 3,905.82 and 1,143.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.18 : 3,905.82 = 1,143.50 : x
2. Step 2: Convert to fraction form
   2,606.18/3,905.82 = 1,143.50/x
3. Step 3: Cross multiply
   2,606.18x = 3,905.82 × 1,143.50
4. Step 4: Simplify right side
   2,606.18x = 4,466,305.17
5. Step 5: Solve for x
   x = 4,466,305.17/2,606.18
6. Step 6: Final answer
   x = 1,713.74