Finding the Fourth Proportional to 23,179.03, 31,987.69 and 13,108.98

Step by Step Solution

1. Step 1: Write the proportion equation
   23,179.03 : 31,987.69 = 13,108.98 : x
2. Step 2: Convert to fraction form
   23,179.03/31,987.69 = 13,108.98/x
3. Step 3: Cross multiply
   23,179.03x = 31,987.69 × 13,108.98
4. Step 4: Simplify right side
   23,179.03x = 419,325,988.46
5. Step 5: Solve for x
   x = 419,325,988.46/23,179.03
6. Step 6: Final answer
   x = 18,090.75