Finding the Fourth Proportional to 10,967.51, 16,454.45 and 3,947.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,967.51 : 16,454.45 = 3,947.39 : x
2. Step 2: Convert to fraction form
   10,967.51/16,454.45 = 3,947.39/x
3. Step 3: Cross multiply
   10,967.51x = 16,454.45 × 3,947.39
4. Step 4: Simplify right side
   10,967.51x = 64,952,182.39
5. Step 5: Solve for x
   x = 64,952,182.39/10,967.51
6. Step 6: Final answer
   x = 5,922.23