Finding the Fourth Proportional to 3,889.33, 5,835.15 and 1,810.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,889.33 : 5,835.15 = 1,810.56 : x
2. Step 2: Convert to fraction form
   3,889.33/5,835.15 = 1,810.56/x
3. Step 3: Cross multiply
   3,889.33x = 5,835.15 × 1,810.56
4. Step 4: Simplify right side
   3,889.33x = 10,564,889.18
5. Step 5: Solve for x
   x = 10,564,889.18/3,889.33
6. Step 6: Final answer
   x = 2,716.38