Finding the Fourth Proportional to 16,308.83, 22,337.57 and 15,351.35

Step by Step Solution

1. Step 1: Write the proportion equation
   16,308.83 : 22,337.57 = 15,351.35 : x
2. Step 2: Convert to fraction form
   16,308.83/22,337.57 = 15,351.35/x
3. Step 3: Cross multiply
   16,308.83x = 22,337.57 × 15,351.35
4. Step 4: Simplify right side
   16,308.83x = 342,911,781.91
5. Step 5: Solve for x
   x = 342,911,781.91/16,308.83
6. Step 6: Final answer
   x = 21,026.14