Finding the Fourth Proportional to 1,898.33, 2,847.83 and 910.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,898.33 : 2,847.83 = 910.30 : x
2. Step 2: Convert to fraction form
   1,898.33/2,847.83 = 910.30/x
3. Step 3: Cross multiply
   1,898.33x = 2,847.83 × 910.30
4. Step 4: Simplify right side
   1,898.33x = 2,592,375.10
5. Step 5: Solve for x
   x = 2,592,375.10/1,898.33
6. Step 6: Final answer
   x = 1,365.61