Finding the Fourth Proportional to 2,783.72, 4,172.94 and 1,051.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,783.72 : 4,172.94 = 1,051.94 : x
2. Step 2: Convert to fraction form
   2,783.72/4,172.94 = 1,051.94/x
3. Step 3: Cross multiply
   2,783.72x = 4,172.94 × 1,051.94
4. Step 4: Simplify right side
   2,783.72x = 4,389,661.64
5. Step 5: Solve for x
   x = 4,389,661.64/2,783.72
6. Step 6: Final answer
   x = 1,576.91