Finding the Fourth Proportional to 2,033.12, 3,051.45 and 993.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,033.12 : 3,051.45 = 993.89 : x
2. Step 2: Convert to fraction form
   2,033.12/3,051.45 = 993.89/x
3. Step 3: Cross multiply
   2,033.12x = 3,051.45 × 993.89
4. Step 4: Simplify right side
   2,033.12x = 3,032,805.64
5. Step 5: Solve for x
   x = 3,032,805.64/2,033.12
6. Step 6: Final answer
   x = 1,491.70