Finding the Fourth Proportional to 17,641.17, 26,472.15 and 7,116.30

Step by Step Solution

1. Step 1: Write the proportion equation
   17,641.17 : 26,472.15 = 7,116.30 : x
2. Step 2: Convert to fraction form
   17,641.17/26,472.15 = 7,116.30/x
3. Step 3: Cross multiply
   17,641.17x = 26,472.15 × 7,116.30
4. Step 4: Simplify right side
   17,641.17x = 188,383,761.05
5. Step 5: Solve for x
   x = 188,383,761.05/17,641.17
6. Step 6: Final answer
   x = 10,678.64