Finding the Fourth Proportional to 17,209, 23,751.30 and 13,009.96

Step by Step Solution

1. Step 1: Write the proportion equation
   17,209 : 23,751.30 = 13,009.96 : x
2. Step 2: Convert to fraction form
   17,209/23,751.30 = 13,009.96/x
3. Step 3: Cross multiply
   17,209x = 23,751.30 × 13,009.96
4. Step 4: Simplify right side
   17,209x = 309,003,462.95
5. Step 5: Solve for x
   x = 309,003,462.95/17,209
6. Step 6: Final answer
   x = 17,955.92