Finding the Fourth Proportional to 3,470.85, 4,789.83 and 1,899.03

Step by Step Solution

1. Step 1: Write the proportion equation
   3,470.85 : 4,789.83 = 1,899.03 : x
2. Step 2: Convert to fraction form
   3,470.85/4,789.83 = 1,899.03/x
3. Step 3: Cross multiply
   3,470.85x = 4,789.83 × 1,899.03
4. Step 4: Simplify right side
   3,470.85x = 9,096,030.86
5. Step 5: Solve for x
   x = 9,096,030.86/3,470.85
6. Step 6: Final answer
   x = 2,620.69