Finding the Fourth Proportional to 1,870.07, 2,579.85 and 1,083.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.07 : 2,579.85 = 1,083.69 : x
2. Step 2: Convert to fraction form
   1,870.07/2,579.85 = 1,083.69/x
3. Step 3: Cross multiply
   1,870.07x = 2,579.85 × 1,083.69
4. Step 4: Simplify right side
   1,870.07x = 2,795,757.65
5. Step 5: Solve for x
   x = 2,795,757.65/1,870.07
6. Step 6: Final answer
   x = 1,495.01