Finding the Fourth Proportional to 2,889.73, 4,331.76 and 1,040.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,889.73 : 4,331.76 = 1,040.50 : x
2. Step 2: Convert to fraction form
   2,889.73/4,331.76 = 1,040.50/x
3. Step 3: Cross multiply
   2,889.73x = 4,331.76 × 1,040.50
4. Step 4: Simplify right side
   2,889.73x = 4,507,196.28
5. Step 5: Solve for x
   x = 4,507,196.28/2,889.73
6. Step 6: Final answer
   x = 1,559.73