Finding the Fourth Proportional to 39,919.34, 55,087.86 and 22,014.82

Step by Step Solution

1. Step 1: Write the proportion equation
   39,919.34 : 55,087.86 = 22,014.82 : x
2. Step 2: Convert to fraction form
   39,919.34/55,087.86 = 22,014.82/x
3. Step 3: Cross multiply
   39,919.34x = 55,087.86 × 22,014.82
4. Step 4: Simplify right side
   39,919.34x = 1,212,749,322.09
5. Step 5: Solve for x
   x = 1,212,749,322.09/39,919.34
6. Step 6: Final answer
   x = 30,379.99