Finding the Fourth Proportional to 10,453.76, 15,652.56 and 5,513.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,453.76 : 15,652.56 = 5,513.12 : x
2. Step 2: Convert to fraction form
   10,453.76/15,652.56 = 5,513.12/x
3. Step 3: Cross multiply
   10,453.76x = 15,652.56 × 5,513.12
4. Step 4: Simplify right side
   10,453.76x = 86,294,441.59
5. Step 5: Solve for x
   x = 86,294,441.59/10,453.76
6. Step 6: Final answer
   x = 8,254.87