Finding the Fourth Proportional to 30,385, 45,593.82 and 12,852.52

Step by Step Solution

1. Step 1: Write the proportion equation
   30,385 : 45,593.82 = 12,852.52 : x
2. Step 2: Convert to fraction form
   30,385/45,593.82 = 12,852.52/x
3. Step 3: Cross multiply
   30,385x = 45,593.82 × 12,852.52
4. Step 4: Simplify right side
   30,385x = 585,995,483.43
5. Step 5: Solve for x
   x = 585,995,483.43/30,385
6. Step 6: Final answer
   x = 19,285.68