Finding the Fourth Proportional to 12,736.96, 19,106.52 and 3,970.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,736.96 : 19,106.52 = 3,970.08 : x
2. Step 2: Convert to fraction form
   12,736.96/19,106.52 = 3,970.08/x
3. Step 3: Cross multiply
   12,736.96x = 19,106.52 × 3,970.08
4. Step 4: Simplify right side
   12,736.96x = 75,854,412.92
5. Step 5: Solve for x
   x = 75,854,412.92/12,736.96
6. Step 6: Final answer
   x = 5,955.46