Finding the Fourth Proportional to 22,535.72, 31,096.60 and 12,462.79

Step by Step Solution

1. Step 1: Write the proportion equation
   22,535.72 : 31,096.60 = 12,462.79 : x
2. Step 2: Convert to fraction form
   22,535.72/31,096.60 = 12,462.79/x
3. Step 3: Cross multiply
   22,535.72x = 31,096.60 × 12,462.79
4. Step 4: Simplify right side
   22,535.72x = 387,550,395.51
5. Step 5: Solve for x
   x = 387,550,395.51/22,535.72
6. Step 6: Final answer
   x = 17,197.16