Finding the Fourth Proportional to 5,100.69, 7,644.88 and 2,634.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,100.69 : 7,644.88 = 2,634.16 : x
2. Step 2: Convert to fraction form
   5,100.69/7,644.88 = 2,634.16/x
3. Step 3: Cross multiply
   5,100.69x = 7,644.88 × 2,634.16
4. Step 4: Simplify right side
   5,100.69x = 20,137,837.10
5. Step 5: Solve for x
   x = 20,137,837.10/5,100.69
6. Step 6: Final answer
   x = 3,948.06