Finding the Fourth Proportional to 2,572.32, 3,546.57 and 2,099.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572.32 : 3,546.57 = 2,099.73 : x
2. Step 2: Convert to fraction form
   2,572.32/3,546.57 = 2,099.73/x
3. Step 3: Cross multiply
   2,572.32x = 3,546.57 × 2,099.73
4. Step 4: Simplify right side
   2,572.32x = 7,446,839.43
5. Step 5: Solve for x
   x = 7,446,839.43/2,572.32
6. Step 6: Final answer
   x = 2,894.99