Finding the Fourth Proportional to 11,071.46, 16,603.94 and 9,118.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,071.46 : 16,603.94 = 9,118.82 : x
2. Step 2: Convert to fraction form
   11,071.46/16,603.94 = 9,118.82/x
3. Step 3: Cross multiply
   11,071.46x = 16,603.94 × 9,118.82
4. Step 4: Simplify right side
   11,071.46x = 151,408,340.15
5. Step 5: Solve for x
   x = 151,408,340.15/11,071.46
6. Step 6: Final answer
   x = 13,675.55