Finding the Fourth Proportional to 12,836.82, 17,713.86 and 7,530.90

Step by Step Solution

1. Step 1: Write the proportion equation
   12,836.82 : 17,713.86 = 7,530.90 : x
2. Step 2: Convert to fraction form
   12,836.82/17,713.86 = 7,530.90/x
3. Step 3: Cross multiply
   12,836.82x = 17,713.86 × 7,530.90
4. Step 4: Simplify right side
   12,836.82x = 133,401,308.27
5. Step 5: Solve for x
   x = 133,401,308.27/12,836.82
6. Step 6: Final answer
   x = 10,392.08