Finding the Fourth Proportional to 11,755.32, 16,221.72 and 7,040.04

Step by Step Solution

1. Step 1: Write the proportion equation
   11,755.32 : 16,221.72 = 7,040.04 : x
2. Step 2: Convert to fraction form
   11,755.32/16,221.72 = 7,040.04/x
3. Step 3: Cross multiply
   11,755.32x = 16,221.72 × 7,040.04
4. Step 4: Simplify right side
   11,755.32x = 114,201,557.67
5. Step 5: Solve for x
   x = 114,201,557.67/11,755.32
6. Step 6: Final answer
   x = 9,714.88