Finding the Fourth Proportional to 2,171.94, 3,264.51 and 1,445.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171.94 : 3,264.51 = 1,445.94 : x
2. Step 2: Convert to fraction form
   2,171.94/3,264.51 = 1,445.94/x
3. Step 3: Cross multiply
   2,171.94x = 3,264.51 × 1,445.94
4. Step 4: Simplify right side
   2,171.94x = 4,720,285.59
5. Step 5: Solve for x
   x = 4,720,285.59/2,171.94
6. Step 6: Final answer
   x = 2,173.30