Finding the Fourth Proportional to 3,470.59, 4,789.31 and 1,898.58

Step by Step Solution

1. Step 1: Write the proportion equation
   3,470.59 : 4,789.31 = 1,898.58 : x
2. Step 2: Convert to fraction form
   3,470.59/4,789.31 = 1,898.58/x
3. Step 3: Cross multiply
   3,470.59x = 4,789.31 × 1,898.58
4. Step 4: Simplify right side
   3,470.59x = 9,092,892.93
5. Step 5: Solve for x
   x = 9,092,892.93/3,470.59
6. Step 6: Final answer
   x = 2,619.99