Finding the Fourth Proportional to 6,528.72, 9,009.57 and 3,696.06

Step by Step Solution

1. Step 1: Write the proportion equation
   6,528.72 : 9,009.57 = 3,696.06 : x
2. Step 2: Convert to fraction form
   6,528.72/9,009.57 = 3,696.06/x
3. Step 3: Cross multiply
   6,528.72x = 9,009.57 × 3,696.06
4. Step 4: Simplify right side
   6,528.72x = 33,299,911.29
5. Step 5: Solve for x
   x = 33,299,911.29/6,528.72
6. Step 6: Final answer
   x = 5,100.53