Finding the Fourth Proportional to 17,481.31, 26,200.06 and 13,768.88

Step by Step Solution

1. Step 1: Write the proportion equation
   17,481.31 : 26,200.06 = 13,768.88 : x
2. Step 2: Convert to fraction form
   17,481.31/26,200.06 = 13,768.88/x
3. Step 3: Cross multiply
   17,481.31x = 26,200.06 × 13,768.88
4. Step 4: Simplify right side
   17,481.31x = 360,745,316.71
5. Step 5: Solve for x
   x = 360,745,316.71/17,481.31
6. Step 6: Final answer
   x = 20,636.06