Finding the Fourth Proportional to 39,958.17, 55,141.86 and 22,053.32

Step by Step Solution

1. Step 1: Write the proportion equation
   39,958.17 : 55,141.86 = 22,053.32 : x
2. Step 2: Convert to fraction form
   39,958.17/55,141.86 = 22,053.32/x
3. Step 3: Cross multiply
   39,958.17x = 55,141.86 × 22,053.32
4. Step 4: Simplify right side
   39,958.17x = 1,216,061,083.98
5. Step 5: Solve for x
   x = 1,216,061,083.98/39,958.17
6. Step 6: Final answer
   x = 30,433.35