Finding the Fourth Proportional to 22,041.56, 30,417.89 and 11,970.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,041.56 : 30,417.89 = 11,970.42 : x
2. Step 2: Convert to fraction form
   22,041.56/30,417.89 = 11,970.42/x
3. Step 3: Cross multiply
   22,041.56x = 30,417.89 × 11,970.42
4. Step 4: Simplify right side
   22,041.56x = 364,114,858.96
5. Step 5: Solve for x
   x = 364,114,858.96/22,041.56
6. Step 6: Final answer
   x = 16,519.47