Finding the Fourth Proportional to 22,532.96, 31,096.66 and 12,974.28

Step by Step Solution

1. Step 1: Write the proportion equation
   22,532.96 : 31,096.66 = 12,974.28 : x
2. Step 2: Convert to fraction form
   22,532.96/31,096.66 = 12,974.28/x
3. Step 3: Cross multiply
   22,532.96x = 31,096.66 × 12,974.28
4. Step 4: Simplify right side
   22,532.96x = 403,456,773.90
5. Step 5: Solve for x
   x = 403,456,773.90/22,532.96
6. Step 6: Final answer
   x = 17,905.18