Finding the Fourth Proportional to 12,682.15, 19,025.61 and 3,915.01

Step by Step Solution

1. Step 1: Write the proportion equation
   12,682.15 : 19,025.61 = 3,915.01 : x
2. Step 2: Convert to fraction form
   12,682.15/19,025.61 = 3,915.01/x
3. Step 3: Cross multiply
   12,682.15x = 19,025.61 × 3,915.01
4. Step 4: Simplify right side
   12,682.15x = 74,485,453.41
5. Step 5: Solve for x
   x = 74,485,453.41/12,682.15
6. Step 6: Final answer
   x = 5,873.25