Finding the Fourth Proportional to 3,820.23, 5,730.96 and 1,872.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,820.23 : 5,730.96 = 1,872.59 : x
2. Step 2: Convert to fraction form
   3,820.23/5,730.96 = 1,872.59/x
3. Step 3: Cross multiply
   3,820.23x = 5,730.96 × 1,872.59
4. Step 4: Simplify right side
   3,820.23x = 10,731,709.73
5. Step 5: Solve for x
   x = 10,731,709.73/3,820.23
6. Step 6: Final answer
   x = 2,809.18