Finding the Fourth Proportional to 23,076.12, 31,845 and 12,465.74

Step by Step Solution

1. Step 1: Write the proportion equation
   23,076.12 : 31,845 = 12,465.74 : x
2. Step 2: Convert to fraction form
   23,076.12/31,845 = 12,465.74/x
3. Step 3: Cross multiply
   23,076.12x = 31,845 × 12,465.74
4. Step 4: Simplify right side
   23,076.12x = 396,971,490.30
5. Step 5: Solve for x
   x = 396,971,490.30/23,076.12
6. Step 6: Final answer
   x = 17,202.70