Finding the Fourth Proportional to 9,938.17, 14,909.67 and 3,698.41

Step by Step Solution

1. Step 1: Write the proportion equation
   9,938.17 : 14,909.67 = 3,698.41 : x
2. Step 2: Convert to fraction form
   9,938.17/14,909.67 = 3,698.41/x
3. Step 3: Cross multiply
   9,938.17x = 14,909.67 × 3,698.41
4. Step 4: Simplify right side
   9,938.17x = 55,142,072.62
5. Step 5: Solve for x
   x = 55,142,072.62/9,938.17
6. Step 6: Final answer
   x = 5,548.51