Finding the Fourth Proportional to 12,308.06, 16,993.28 and 9,470.43

Step by Step Solution

1. Step 1: Write the proportion equation
   12,308.06 : 16,993.28 = 9,470.43 : x
2. Step 2: Convert to fraction form
   12,308.06/16,993.28 = 9,470.43/x
3. Step 3: Cross multiply
   12,308.06x = 16,993.28 × 9,470.43
4. Step 4: Simplify right side
   12,308.06x = 160,933,692.39
5. Step 5: Solve for x
   x = 160,933,692.39/12,308.06
6. Step 6: Final answer
   x = 13,075.47