Finding the Fourth Proportional to 2,773.47, 4,160.76 and 1,043.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,773.47 : 4,160.76 = 1,043.31 : x
2. Step 2: Convert to fraction form
   2,773.47/4,160.76 = 1,043.31/x
3. Step 3: Cross multiply
   2,773.47x = 4,160.76 × 1,043.31
4. Step 4: Simplify right side
   2,773.47x = 4,340,962.52
5. Step 5: Solve for x
   x = 4,340,962.52/2,773.47
6. Step 6: Final answer
   x = 1,565.17