Finding the Fourth Proportional to 23,080.69, 31,852.28 and 13,009.55

Step by Step Solution

1. Step 1: Write the proportion equation
   23,080.69 : 31,852.28 = 13,009.55 : x
2. Step 2: Convert to fraction form
   23,080.69/31,852.28 = 13,009.55/x
3. Step 3: Cross multiply
   23,080.69x = 31,852.28 × 13,009.55
4. Step 4: Simplify right side
   23,080.69x = 414,383,829.27
5. Step 5: Solve for x
   x = 414,383,829.27/23,080.69
6. Step 6: Final answer
   x = 17,953.70