Finding the Fourth Proportional to 30,087.02, 45,134.72 and 12,552.82

Step by Step Solution

1. Step 1: Write the proportion equation
   30,087.02 : 45,134.72 = 12,552.82 : x
2. Step 2: Convert to fraction form
   30,087.02/45,134.72 = 12,552.82/x
3. Step 3: Cross multiply
   30,087.02x = 45,134.72 × 12,552.82
4. Step 4: Simplify right side
   30,087.02x = 566,568,015.91
5. Step 5: Solve for x
   x = 566,568,015.91/30,087.02
6. Step 6: Final answer
   x = 18,830.98