Finding the Fourth Proportional to 39,914.15, 55,081.89 and 22,009.77

Step by Step Solution

1. Step 1: Write the proportion equation
   39,914.15 : 55,081.89 = 22,009.77 : x
2. Step 2: Convert to fraction form
   39,914.15/55,081.89 = 22,009.77/x
3. Step 3: Cross multiply
   39,914.15x = 55,081.89 × 22,009.77
4. Step 4: Simplify right side
   39,914.15x = 1,212,339,730.07
5. Step 5: Solve for x
   x = 1,212,339,730.07/39,914.15
6. Step 6: Final answer
   x = 30,373.69