Finding the Fourth Proportional to 16,042.64, 24,064.16 and 7,721.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,042.64 : 24,064.16 = 7,721.10 : x
2. Step 2: Convert to fraction form
   16,042.64/24,064.16 = 7,721.10/x
3. Step 3: Cross multiply
   16,042.64x = 24,064.16 × 7,721.10
4. Step 4: Simplify right side
   16,042.64x = 185,801,747.17
5. Step 5: Solve for x
   x = 185,801,747.17/16,042.64
6. Step 6: Final answer
   x = 11,581.75