Finding the Fourth Proportional to 5,103.18, 7,656.71 and 2,636.46

Step by Step Solution

1. Step 1: Write the proportion equation
   5,103.18 : 7,656.71 = 2,636.46 : x
2. Step 2: Convert to fraction form
   5,103.18/7,656.71 = 2,636.46/x
3. Step 3: Cross multiply
   5,103.18x = 7,656.71 × 2,636.46
4. Step 4: Simplify right side
   5,103.18x = 20,186,609.65
5. Step 5: Solve for x
   x = 20,186,609.65/5,103.18
6. Step 6: Final answer
   x = 3,955.69