Finding the Fourth Proportional to 23,010.85, 31,753.82 and 12,938.69

Step by Step Solution

1. Step 1: Write the proportion equation
   23,010.85 : 31,753.82 = 12,938.69 : x
2. Step 2: Convert to fraction form
   23,010.85/31,753.82 = 12,938.69/x
3. Step 3: Cross multiply
   23,010.85x = 31,753.82 × 12,938.69
4. Step 4: Simplify right side
   23,010.85x = 410,852,768.60
5. Step 5: Solve for x
   x = 410,852,768.60/23,010.85
6. Step 6: Final answer
   x = 17,854.74