Finding the Fourth Proportional to 30,338.84, 45,528.76 and 10,617.57

Step by Step Solution

1. Step 1: Write the proportion equation
   30,338.84 : 45,528.76 = 10,617.57 : x
2. Step 2: Convert to fraction form
   30,338.84/45,528.76 = 10,617.57/x
3. Step 3: Cross multiply
   30,338.84x = 45,528.76 × 10,617.57
4. Step 4: Simplify right side
   30,338.84x = 483,404,796.31
5. Step 5: Solve for x
   x = 483,404,796.31/30,338.84
6. Step 6: Final answer
   x = 15,933.53