Finding the Fourth Proportional to 11,345.43, 17,020.89 and 3,948.84

Step by Step Solution

1. Step 1: Write the proportion equation
   11,345.43 : 17,020.89 = 3,948.84 : x
2. Step 2: Convert to fraction form
   11,345.43/17,020.89 = 3,948.84/x
3. Step 3: Cross multiply
   11,345.43x = 17,020.89 × 3,948.84
4. Step 4: Simplify right side
   11,345.43x = 67,212,771.27
5. Step 5: Solve for x
   x = 67,212,771.27/11,345.43
6. Step 6: Final answer
   x = 5,924.22