Finding the Fourth Proportional to 11,947.20, 16,476.12 and 7,469.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,947.20 : 16,476.12 = 7,469.52 : x
2. Step 2: Convert to fraction form
   11,947.20/16,476.12 = 7,469.52/x
3. Step 3: Cross multiply
   11,947.20x = 16,476.12 × 7,469.52
4. Step 4: Simplify right side
   11,947.20x = 123,068,707.86
5. Step 5: Solve for x
   x = 123,068,707.86/11,947.20
6. Step 6: Final answer
   x = 10,301.05