Finding the Fourth Proportional to 10,964.39, 16,425.86 and 5,411.23

Step by Step Solution

1. Step 1: Write the proportion equation
   10,964.39 : 16,425.86 = 5,411.23 : x
2. Step 2: Convert to fraction form
   10,964.39/16,425.86 = 5,411.23/x
3. Step 3: Cross multiply
   10,964.39x = 16,425.86 × 5,411.23
4. Step 4: Simplify right side
   10,964.39x = 88,884,038.29
5. Step 5: Solve for x
   x = 88,884,038.29/10,964.39
6. Step 6: Final answer
   x = 8,106.61