Finding the Fourth Proportional to 2,784.26, 4,172.60 and 1,051.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,784.26 : 4,172.60 = 1,051.94 : x
2. Step 2: Convert to fraction form
   2,784.26/4,172.60 = 1,051.94/x
3. Step 3: Cross multiply
   2,784.26x = 4,172.60 × 1,051.94
4. Step 4: Simplify right side
   2,784.26x = 4,389,298.72
5. Step 5: Solve for x
   x = 4,389,298.72/2,784.26
6. Step 6: Final answer
   x = 1,576.47