Finding the Fourth Proportional to 22,533.78, 31,096.83 and 12,462.90

Step by Step Solution

1. Step 1: Write the proportion equation
   22,533.78 : 31,096.83 = 12,462.90 : x
2. Step 2: Convert to fraction form
   22,533.78/31,096.83 = 12,462.90/x
3. Step 3: Cross multiply
   22,533.78x = 31,096.83 × 12,462.90
4. Step 4: Simplify right side
   22,533.78x = 387,556,682.61
5. Step 5: Solve for x
   x = 387,556,682.61/22,533.78
6. Step 6: Final answer
   x = 17,198.92