Finding the Fourth Proportional to 10,970.82, 16,435.58 and 5,417.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,970.82 : 16,435.58 = 5,417.69 : x
2. Step 2: Convert to fraction form
   10,970.82/16,435.58 = 5,417.69/x
3. Step 3: Cross multiply
   10,970.82x = 16,435.58 × 5,417.69
4. Step 4: Simplify right side
   10,970.82x = 89,042,768.14
5. Step 5: Solve for x
   x = 89,042,768.14/10,970.82
6. Step 6: Final answer
   x = 8,116.33