Finding the Fourth Proportional to 22,140.94, 30,554.50 and 12,069.37

Step by Step Solution

1. Step 1: Write the proportion equation
   22,140.94 : 30,554.50 = 12,069.37 : x
2. Step 2: Convert to fraction form
   22,140.94/30,554.50 = 12,069.37/x
3. Step 3: Cross multiply
   22,140.94x = 30,554.50 × 12,069.37
4. Step 4: Simplify right side
   22,140.94x = 368,773,412.89
5. Step 5: Solve for x
   x = 368,773,412.89/22,140.94
6. Step 6: Final answer
   x = 16,655.73