Finding the Fourth Proportional to 12,582, 18,874.89 and 3,816.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,582 : 18,874.89 = 3,816.72 : x
2. Step 2: Convert to fraction form
   12,582/18,874.89 = 3,816.72/x
3. Step 3: Cross multiply
   12,582x = 18,874.89 × 3,816.72
4. Step 4: Simplify right side
   12,582x = 72,040,170.16
5. Step 5: Solve for x
   x = 72,040,170.16/12,582
6. Step 6: Final answer
   x = 5,725.65