Finding the Fourth Proportional to 30,241.89, 45,348.53 and 10,517.99

Step by Step Solution

1. Step 1: Write the proportion equation
   30,241.89 : 45,348.53 = 10,517.99 : x
2. Step 2: Convert to fraction form
   30,241.89/45,348.53 = 10,517.99/x
3. Step 3: Cross multiply
   30,241.89x = 45,348.53 × 10,517.99
4. Step 4: Simplify right side
   30,241.89x = 476,975,105.72
5. Step 5: Solve for x
   x = 476,975,105.72/30,241.89
6. Step 6: Final answer
   x = 15,772.00