Finding the Fourth Proportional to 11,459.35, 17,196.15 and 5,134.21

Step by Step Solution

1. Step 1: Write the proportion equation
   11,459.35 : 17,196.15 = 5,134.21 : x
2. Step 2: Convert to fraction form
   11,459.35/17,196.15 = 5,134.21/x
3. Step 3: Cross multiply
   11,459.35x = 17,196.15 × 5,134.21
4. Step 4: Simplify right side
   11,459.35x = 88,288,645.29
5. Step 5: Solve for x
   x = 88,288,645.29/11,459.35
6. Step 6: Final answer
   x = 7,704.51