Finding the Fourth Proportional to 12,261.89, 16,920.24 and 7,483.23

Step by Step Solution

1. Step 1: Write the proportion equation
   12,261.89 : 16,920.24 = 7,483.23 : x
2. Step 2: Convert to fraction form
   12,261.89/16,920.24 = 7,483.23/x
3. Step 3: Cross multiply
   12,261.89x = 16,920.24 × 7,483.23
4. Step 4: Simplify right side
   12,261.89x = 126,618,047.58
5. Step 5: Solve for x
   x = 126,618,047.58/12,261.89
6. Step 6: Final answer
   x = 10,326.15