Finding the Fourth Proportional to 2,711.61, 4,069.53 and 1,251.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,711.61 : 4,069.53 = 1,251.18 : x
2. Step 2: Convert to fraction form
   2,711.61/4,069.53 = 1,251.18/x
3. Step 3: Cross multiply
   2,711.61x = 4,069.53 × 1,251.18
4. Step 4: Simplify right side
   2,711.61x = 5,091,714.55
5. Step 5: Solve for x
   x = 5,091,714.55/2,711.61
6. Step 6: Final answer
   x = 1,877.75