Finding the Fourth Proportional to 22,078.77, 30,438.88 and 14,992.89

Step by Step Solution

1. Step 1: Write the proportion equation
   22,078.77 : 30,438.88 = 14,992.89 : x
2. Step 2: Convert to fraction form
   22,078.77/30,438.88 = 14,992.89/x
3. Step 3: Cross multiply
   22,078.77x = 30,438.88 × 14,992.89
4. Step 4: Simplify right side
   22,078.77x = 456,366,779.56
5. Step 5: Solve for x
   x = 456,366,779.56/22,078.77
6. Step 6: Final answer
   x = 20,669.94