Finding the Fourth Proportional to 2,714.79, 4,071.37 and 1,154.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,714.79 : 4,071.37 = 1,154.78 : x
2. Step 2: Convert to fraction form
   2,714.79/4,071.37 = 1,154.78/x
3. Step 3: Cross multiply
   2,714.79x = 4,071.37 × 1,154.78
4. Step 4: Simplify right side
   2,714.79x = 4,701,536.65
5. Step 5: Solve for x
   x = 4,701,536.65/2,714.79
6. Step 6: Final answer
   x = 1,731.82