Finding the Fourth Proportional to 2,073.81, 2,858.83 and 1,575.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,073.81 : 2,858.83 = 1,575.58 : x
2. Step 2: Convert to fraction form
   2,073.81/2,858.83 = 1,575.58/x
3. Step 3: Cross multiply
   2,073.81x = 2,858.83 × 1,575.58
4. Step 4: Simplify right side
   2,073.81x = 4,504,320.91
5. Step 5: Solve for x
   x = 4,504,320.91/2,073.81
6. Step 6: Final answer
   x = 2,172.01