Finding the Fourth Proportional to 12,738.16, 19,107.06 and 3,973.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,738.16 : 19,107.06 = 3,973.16 : x
2. Step 2: Convert to fraction form
   12,738.16/19,107.06 = 3,973.16/x
3. Step 3: Cross multiply
   12,738.16x = 19,107.06 × 3,973.16
4. Step 4: Simplify right side
   12,738.16x = 75,915,406.51
5. Step 5: Solve for x
   x = 75,915,406.51/12,738.16
6. Step 6: Final answer
   x = 5,959.68