Finding the Fourth Proportional to 22,903.42, 31,606.17 and 12,832.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,903.42 : 31,606.17 = 12,832.18 : x
2. Step 2: Convert to fraction form
   22,903.42/31,606.17 = 12,832.18/x
3. Step 3: Cross multiply
   22,903.42x = 31,606.17 × 12,832.18
4. Step 4: Simplify right side
   22,903.42x = 405,576,062.55
5. Step 5: Solve for x
   x = 405,576,062.55/22,903.42
6. Step 6: Final answer
   x = 17,708.10