Finding the Fourth Proportional to 12,682.32, 19,023.34 and 3,916.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,682.32 : 19,023.34 = 3,916.24 : x
2. Step 2: Convert to fraction form
   12,682.32/19,023.34 = 3,916.24/x
3. Step 3: Cross multiply
   12,682.32x = 19,023.34 × 3,916.24
4. Step 4: Simplify right side
   12,682.32x = 74,499,965.04
5. Step 5: Solve for x
   x = 74,499,965.04/12,682.32
6. Step 6: Final answer
   x = 5,874.32