Finding the Fourth Proportional to 22,156.15, 33,156.15 and 13,840.08

Step by Step Solution

1. Step 1: Write the proportion equation
   22,156.15 : 33,156.15 = 13,840.08 : x
2. Step 2: Convert to fraction form
   22,156.15/33,156.15 = 13,840.08/x
3. Step 3: Cross multiply
   22,156.15x = 33,156.15 × 13,840.08
4. Step 4: Simplify right side
   22,156.15x = 458,883,820.39
5. Step 5: Solve for x
   x = 458,883,820.39/22,156.15
6. Step 6: Final answer
   x = 20,711.35