Finding the Fourth Proportional to 2,112.47, 2,916.35 and 1,273.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112.47 : 2,916.35 = 1,273.35 : x
2. Step 2: Convert to fraction form
   2,112.47/2,916.35 = 1,273.35/x
3. Step 3: Cross multiply
   2,112.47x = 2,916.35 × 1,273.35
4. Step 4: Simplify right side
   2,112.47x = 3,713,534.27
5. Step 5: Solve for x
   x = 3,713,534.27/2,112.47
6. Step 6: Final answer
   x = 1,757.91