Finding the Fourth Proportional to 2,866.47, 3,955.61 and 1,671.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,866.47 : 3,955.61 = 1,671.50 : x
2. Step 2: Convert to fraction form
   2,866.47/3,955.61 = 1,671.50/x
3. Step 3: Cross multiply
   2,866.47x = 3,955.61 × 1,671.50
4. Step 4: Simplify right side
   2,866.47x = 6,611,773.98
5. Step 5: Solve for x
   x = 6,611,773.98/2,866.47
6. Step 6: Final answer
   x = 2,306.59