Finding the Fourth Proportional to 23,099.33, 31,877.07 and 12,488.96

Step by Step Solution

1. Step 1: Write the proportion equation
   23,099.33 : 31,877.07 = 12,488.96 : x
2. Step 2: Convert to fraction form
   23,099.33/31,877.07 = 12,488.96/x
3. Step 3: Cross multiply
   23,099.33x = 31,877.07 × 12,488.96
4. Step 4: Simplify right side
   23,099.33x = 398,111,452.15
5. Step 5: Solve for x
   x = 398,111,452.15/23,099.33
6. Step 6: Final answer
   x = 17,234.76