Finding the Fourth Proportional to 30,304.37, 45,462.72 and 12,774.17

Step by Step Solution

1. Step 1: Write the proportion equation
   30,304.37 : 45,462.72 = 12,774.17 : x
2. Step 2: Convert to fraction form
   30,304.37/45,462.72 = 12,774.17/x
3. Step 3: Cross multiply
   30,304.37x = 45,462.72 × 12,774.17
4. Step 4: Simplify right side
   30,304.37x = 580,748,513.94
5. Step 5: Solve for x
   x = 580,748,513.94/30,304.37
6. Step 6: Final answer
   x = 19,163.85