Finding the Fourth Proportional to 2,573.81, 3,551.87 and 1,394.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,573.81 : 3,551.87 = 1,394.89 : x
2. Step 2: Convert to fraction form
   2,573.81/3,551.87 = 1,394.89/x
3. Step 3: Cross multiply
   2,573.81x = 3,551.87 × 1,394.89
4. Step 4: Simplify right side
   2,573.81x = 4,954,457.32
5. Step 5: Solve for x
   x = 4,954,457.32/2,573.81
6. Step 6: Final answer
   x = 1,924.95