Finding the Fourth Proportional to 10,453.68, 15,680.52 and 3,528

Step by Step Solution

1. Step 1: Write the proportion equation
   10,453.68 : 15,680.52 = 3,528 : x
2. Step 2: Convert to fraction form
   10,453.68/15,680.52 = 3,528/x
3. Step 3: Cross multiply
   10,453.68x = 15,680.52 × 3,528
4. Step 4: Simplify right side
   10,453.68x = 55,320,874.56
5. Step 5: Solve for x
   x = 55,320,874.56/10,453.68
6. Step 6: Final answer
   x = 5,292