Finding the Fourth Proportional to 3,551.46, 4,899.71 and 2,134.64

Step by Step Solution

1. Step 1: Write the proportion equation
   3,551.46 : 4,899.71 = 2,134.64 : x
2. Step 2: Convert to fraction form
   3,551.46/4,899.71 = 2,134.64/x
3. Step 3: Cross multiply
   3,551.46x = 4,899.71 × 2,134.64
4. Step 4: Simplify right side
   3,551.46x = 10,459,081.78
5. Step 5: Solve for x
   x = 10,459,081.78/3,551.46
6. Step 6: Final answer
   x = 2,945.01