Finding the Fourth Proportional to 10,840.91, 16,269.59 and 7,507.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,840.91 : 16,269.59 = 7,507.28 : x
2. Step 2: Convert to fraction form
   10,840.91/16,269.59 = 7,507.28/x
3. Step 3: Cross multiply
   10,840.91x = 16,269.59 × 7,507.28
4. Step 4: Simplify right side
   10,840.91x = 122,140,427.06
5. Step 5: Solve for x
   x = 122,140,427.06/10,840.91
6. Step 6: Final answer
   x = 11,266.63