Finding the Fourth Proportional to 2,714.82, 4,070.38 and 1,253.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,714.82 : 4,070.38 = 1,253.16 : x
2. Step 2: Convert to fraction form
   2,714.82/4,070.38 = 1,253.16/x
3. Step 3: Cross multiply
   2,714.82x = 4,070.38 × 1,253.16
4. Step 4: Simplify right side
   2,714.82x = 5,100,837.40
5. Step 5: Solve for x
   x = 5,100,837.40/2,714.82
6. Step 6: Final answer
   x = 1,878.89