Finding the Fourth Proportional to 21,769.98, 30,054.90 and 16,655.88

Step by Step Solution

1. Step 1: Write the proportion equation
   21,769.98 : 30,054.90 = 16,655.88 : x
2. Step 2: Convert to fraction form
   21,769.98/30,054.90 = 16,655.88/x
3. Step 3: Cross multiply
   21,769.98x = 30,054.90 × 16,655.88
4. Step 4: Simplify right side
   21,769.98x = 500,590,807.81
5. Step 5: Solve for x
   x = 500,590,807.81/21,769.98
6. Step 6: Final answer
   x = 22,994.55