Finding the Fourth Proportional to 11,209.89, 15,470.46 and 8,023.49

Step by Step Solution

1. Step 1: Write the proportion equation
   11,209.89 : 15,470.46 = 8,023.49 : x
2. Step 2: Convert to fraction form
   11,209.89/15,470.46 = 8,023.49/x
3. Step 3: Cross multiply
   11,209.89x = 15,470.46 × 8,023.49
4. Step 4: Simplify right side
   11,209.89x = 124,127,003.75
5. Step 5: Solve for x
   x = 124,127,003.75/11,209.89
6. Step 6: Final answer
   x = 11,072.99