Finding the Fourth Proportional to 17,970.31, 24,801.96 and 13,713.31

Step by Step Solution

1. Step 1: Write the proportion equation
   17,970.31 : 24,801.96 = 13,713.31 : x
2. Step 2: Convert to fraction form
   17,970.31/24,801.96 = 13,713.31/x
3. Step 3: Cross multiply
   17,970.31x = 24,801.96 × 13,713.31
4. Step 4: Simplify right side
   17,970.31x = 340,116,966.09
5. Step 5: Solve for x
   x = 340,116,966.09/17,970.31
6. Step 6: Final answer
   x = 18,926.61