Finding the Fourth Proportional to 23,096.64, 31,876.38 and 13,028.25

Step by Step Solution

1. Step 1: Write the proportion equation
   23,096.64 : 31,876.38 = 13,028.25 : x
2. Step 2: Convert to fraction form
   23,096.64/31,876.38 = 13,028.25/x
3. Step 3: Cross multiply
   23,096.64x = 31,876.38 × 13,028.25
4. Step 4: Simplify right side
   23,096.64x = 415,293,447.74
5. Step 5: Solve for x
   x = 415,293,447.74/23,096.64
6. Step 6: Final answer
   x = 17,980.69