Finding the Fourth Proportional to 11,090.28, 16,637.82 and 5,162.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,090.28 : 16,637.82 = 5,162.76 : x
2. Step 2: Convert to fraction form
   11,090.28/16,637.82 = 5,162.76/x
3. Step 3: Cross multiply
   11,090.28x = 16,637.82 × 5,162.76
4. Step 4: Simplify right side
   11,090.28x = 85,897,071.58
5. Step 5: Solve for x
   x = 85,897,071.58/11,090.28
6. Step 6: Final answer
   x = 7,745.26