Finding the Fourth Proportional to 12,682.52, 19,026.18 and 3,915.39

Step by Step Solution

1. Step 1: Write the proportion equation
   12,682.52 : 19,026.18 = 3,915.39 : x
2. Step 2: Convert to fraction form
   12,682.52/19,026.18 = 3,915.39/x
3. Step 3: Cross multiply
   12,682.52x = 19,026.18 × 3,915.39
4. Step 4: Simplify right side
   12,682.52x = 74,494,895.33
5. Step 5: Solve for x
   x = 74,494,895.33/12,682.52
6. Step 6: Final answer
   x = 5,873.82