Finding the Fourth Proportional to 2,446.84, 3,670.72 and 803.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,446.84 : 3,670.72 = 803.86 : x
2. Step 2: Convert to fraction form
   2,446.84/3,670.72 = 803.86/x
3. Step 3: Cross multiply
   2,446.84x = 3,670.72 × 803.86
4. Step 4: Simplify right side
   2,446.84x = 2,950,722.61
5. Step 5: Solve for x
   x = 2,950,722.61/2,446.84
6. Step 6: Final answer
   x = 1,205.93