Finding the Fourth Proportional to 9,903.39, 14,839.45 and 3,654.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,903.39 : 14,839.45 = 3,654.80 : x
2. Step 2: Convert to fraction form
   9,903.39/14,839.45 = 3,654.80/x
3. Step 3: Cross multiply
   9,903.39x = 14,839.45 × 3,654.80
4. Step 4: Simplify right side
   9,903.39x = 54,235,221.86
5. Step 5: Solve for x
   x = 54,235,221.86/9,903.39
6. Step 6: Final answer
   x = 5,476.43