Finding the Fourth Proportional to 22,335.76, 33,459.82 and 12,956.06

Step by Step Solution

1. Step 1: Write the proportion equation
   22,335.76 : 33,459.82 = 12,956.06 : x
2. Step 2: Convert to fraction form
   22,335.76/33,459.82 = 12,956.06/x
3. Step 3: Cross multiply
   22,335.76x = 33,459.82 × 12,956.06
4. Step 4: Simplify right side
   22,335.76x = 433,507,435.51
5. Step 5: Solve for x
   x = 433,507,435.51/22,335.76
6. Step 6: Final answer
   x = 19,408.67