Finding the Fourth Proportional to 2,784.34, 4,174.89 and 1,053.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,784.34 : 4,174.89 = 1,053.10 : x
2. Step 2: Convert to fraction form
   2,784.34/4,174.89 = 1,053.10/x
3. Step 3: Cross multiply
   2,784.34x = 4,174.89 × 1,053.10
4. Step 4: Simplify right side
   2,784.34x = 4,396,576.66
5. Step 5: Solve for x
   x = 4,396,576.66/2,784.34
6. Step 6: Final answer
   x = 1,579.04