Finding the Fourth Proportional to 8,938.34, 13,412.06 and 3,677.39

Step by Step Solution

1. Step 1: Write the proportion equation
   8,938.34 : 13,412.06 = 3,677.39 : x
2. Step 2: Convert to fraction form
   8,938.34/13,412.06 = 3,677.39/x
3. Step 3: Cross multiply
   8,938.34x = 13,412.06 × 3,677.39
4. Step 4: Simplify right side
   8,938.34x = 49,321,375.32
5. Step 5: Solve for x
   x = 49,321,375.32/8,938.34
6. Step 6: Final answer
   x = 5,517.96