Finding the Fourth Proportional to 23,081.74, 31,852.77 and 13,012.63

Step by Step Solution

1. Step 1: Write the proportion equation
   23,081.74 : 31,852.77 = 13,012.63 : x
2. Step 2: Convert to fraction form
   23,081.74/31,852.77 = 13,012.63/x
3. Step 3: Cross multiply
   23,081.74x = 31,852.77 × 13,012.63
4. Step 4: Simplify right side
   23,081.74x = 414,488,310.49
5. Step 5: Solve for x
   x = 414,488,310.49/23,081.74
6. Step 6: Final answer
   x = 17,957.41