Finding the Fourth Proportional to 17,200.86, 23,736.06 and 9,647.13

Step by Step Solution

1. Step 1: Write the proportion equation
   17,200.86 : 23,736.06 = 9,647.13 : x
2. Step 2: Convert to fraction form
   17,200.86/23,736.06 = 9,647.13/x
3. Step 3: Cross multiply
   17,200.86x = 23,736.06 × 9,647.13
4. Step 4: Simplify right side
   17,200.86x = 228,984,856.51
5. Step 5: Solve for x
   x = 228,984,856.51/17,200.86
6. Step 6: Final answer
   x = 13,312.41