Finding the Fourth Proportional to 3,364.72, 5,046.52 and 899.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,364.72 : 5,046.52 = 899.80 : x
2. Step 2: Convert to fraction form
   3,364.72/5,046.52 = 899.80/x
3. Step 3: Cross multiply
   3,364.72x = 5,046.52 × 899.80
4. Step 4: Simplify right side
   3,364.72x = 4,540,858.70
5. Step 5: Solve for x
   x = 4,540,858.70/3,364.72
6. Step 6: Final answer
   x = 1,349.55