Finding the Fourth Proportional to 5,145.08, 7,714.71 and 1,634.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,145.08 : 7,714.71 = 1,634.42 : x
2. Step 2: Convert to fraction form
   5,145.08/7,714.71 = 1,634.42/x
3. Step 3: Cross multiply
   5,145.08x = 7,714.71 × 1,634.42
4. Step 4: Simplify right side
   5,145.08x = 12,609,076.32
5. Step 5: Solve for x
   x = 12,609,076.32/5,145.08
6. Step 6: Final answer
   x = 2,450.71