Finding the Fourth Proportional to 3,813.00, 5,718.90 and 1,039.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,813.00 : 5,718.90 = 1,039.89 : x
2. Step 2: Convert to fraction form
   3,813.00/5,718.90 = 1,039.89/x
3. Step 3: Cross multiply
   3,813.00x = 5,718.90 × 1,039.89
4. Step 4: Simplify right side
   3,813.00x = 5,947,030.82
5. Step 5: Solve for x
   x = 5,947,030.82/3,813.00
6. Step 6: Final answer
   x = 1,559.67