Finding the Fourth Proportional to 22,156.51, 33,156.69 and 13,840.44

Step by Step Solution

1. Step 1: Write the proportion equation
   22,156.51 : 33,156.69 = 13,840.44 : x
2. Step 2: Convert to fraction form
   22,156.51/33,156.69 = 13,840.44/x
3. Step 3: Cross multiply
   22,156.51x = 33,156.69 × 13,840.44
4. Step 4: Simplify right side
   22,156.51x = 458,903,178.54
5. Step 5: Solve for x
   x = 458,903,178.54/22,156.51
6. Step 6: Final answer
   x = 20,711.89