Finding the Fourth Proportional to 11,345, 17,020.38 and 4,327.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,345 : 17,020.38 = 4,327.88 : x
2. Step 2: Convert to fraction form
   11,345/17,020.38 = 4,327.88/x
3. Step 3: Cross multiply
   11,345x = 17,020.38 × 4,327.88
4. Step 4: Simplify right side
   11,345x = 73,662,162.19
5. Step 5: Solve for x
   x = 73,662,162.19/11,345
6. Step 6: Final answer
   x = 6,492.92