Finding the Fourth Proportional to 11,064.50, 16,603.48 and 7,118.28

Step by Step Solution

1. Step 1: Write the proportion equation
   11,064.50 : 16,603.48 = 7,118.28 : x
2. Step 2: Convert to fraction form
   11,064.50/16,603.48 = 7,118.28/x
3. Step 3: Cross multiply
   11,064.50x = 16,603.48 × 7,118.28
4. Step 4: Simplify right side
   11,064.50x = 118,188,228.51
5. Step 5: Solve for x
   x = 118,188,228.51/11,064.50
6. Step 6: Final answer
   x = 10,681.75