Finding the Fourth Proportional to 2,112.85, 2,915.01 and 1,273.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112.85 : 2,915.01 = 1,273.24 : x
2. Step 2: Convert to fraction form
   2,112.85/2,915.01 = 1,273.24/x
3. Step 3: Cross multiply
   2,112.85x = 2,915.01 × 1,273.24
4. Step 4: Simplify right side
   2,112.85x = 3,711,492.76
5. Step 5: Solve for x
   x = 3,711,492.76/2,112.85
6. Step 6: Final answer
   x = 1,756.63