Finding the Fourth Proportional to 1,119.86, 1,679.59 and 297.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,119.86 : 1,679.59 = 297.94 : x
2. Step 2: Convert to fraction form
   1,119.86/1,679.59 = 297.94/x
3. Step 3: Cross multiply
   1,119.86x = 1,679.59 × 297.94
4. Step 4: Simplify right side
   1,119.86x = 500,410.50
5. Step 5: Solve for x
   x = 500,410.50/1,119.86
6. Step 6: Final answer
   x = 446.85