Finding the Fourth Proportional to 30,627.37, 45,936.86 and 8,437.55

Step by Step Solution

1. Step 1: Write the proportion equation
   30,627.37 : 45,936.86 = 8,437.55 : x
2. Step 2: Convert to fraction form
   30,627.37/45,936.86 = 8,437.55/x
3. Step 3: Cross multiply
   30,627.37x = 45,936.86 × 8,437.55
4. Step 4: Simplify right side
   30,627.37x = 387,594,689.03
5. Step 5: Solve for x
   x = 387,594,689.03/30,627.37
6. Step 6: Final answer
   x = 12,655.17