Finding the Fourth Proportional to 3,709.23, 5,560.89 and 1,859.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,709.23 : 5,560.89 = 1,859.34 : x
2. Step 2: Convert to fraction form
   3,709.23/5,560.89 = 1,859.34/x
3. Step 3: Cross multiply
   3,709.23x = 5,560.89 × 1,859.34
4. Step 4: Simplify right side
   3,709.23x = 10,339,585.21
5. Step 5: Solve for x
   x = 10,339,585.21/3,709.23
6. Step 6: Final answer
   x = 2,787.53