Finding the Fourth Proportional to 11,165.88, 16,754.22 and 7,899.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,165.88 : 16,754.22 = 7,899.96 : x
2. Step 2: Convert to fraction form
   11,165.88/16,754.22 = 7,899.96/x
3. Step 3: Cross multiply
   11,165.88x = 16,754.22 × 7,899.96
4. Step 4: Simplify right side
   11,165.88x = 132,357,667.83
5. Step 5: Solve for x
   x = 132,357,667.83/11,165.88
6. Step 6: Final answer
   x = 11,853.76