Finding the Fourth Proportional to 2,926.63, 4,390.71 and 1,052.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,926.63 : 4,390.71 = 1,052.71 : x
2. Step 2: Convert to fraction form
   2,926.63/4,390.71 = 1,052.71/x
3. Step 3: Cross multiply
   2,926.63x = 4,390.71 × 1,052.71
4. Step 4: Simplify right side
   2,926.63x = 4,622,144.32
5. Step 5: Solve for x
   x = 4,622,144.32/2,926.63
6. Step 6: Final answer
   x = 1,579.34