Finding the Fourth Proportional to 3,988.41, 5,503.17 and 2,496.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,988.41 : 5,503.17 = 2,496.79 : x
2. Step 2: Convert to fraction form
   3,988.41/5,503.17 = 2,496.79/x
3. Step 3: Cross multiply
   3,988.41x = 5,503.17 × 2,496.79
4. Step 4: Simplify right side
   3,988.41x = 13,740,259.82
5. Step 5: Solve for x
   x = 13,740,259.82/3,988.41
6. Step 6: Final answer
   x = 3,445.05