Finding the Fourth Proportional to 2,771.74, 4,158.42 and 1,040.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,771.74 : 4,158.42 = 1,040.50 : x
2. Step 2: Convert to fraction form
   2,771.74/4,158.42 = 1,040.50/x
3. Step 3: Cross multiply
   2,771.74x = 4,158.42 × 1,040.50
4. Step 4: Simplify right side
   2,771.74x = 4,326,836.01
5. Step 5: Solve for x
   x = 4,326,836.01/2,771.74
6. Step 6: Final answer
   x = 1,561.05