Finding the Fourth Proportional to 3,895.20, 5,842.86 and 1,298.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,895.20 : 5,842.86 = 1,298.34 : x
2. Step 2: Convert to fraction form
   3,895.20/5,842.86 = 1,298.34/x
3. Step 3: Cross multiply
   3,895.20x = 5,842.86 × 1,298.34
4. Step 4: Simplify right side
   3,895.20x = 7,586,018.85
5. Step 5: Solve for x
   x = 7,586,018.85/3,895.20
6. Step 6: Final answer
   x = 1,947.53