Finding the Fourth Proportional to 10,561.12, 15,839.52 and 3,634.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,561.12 : 15,839.52 = 3,634.08 : x
2. Step 2: Convert to fraction form
   10,561.12/15,839.52 = 3,634.08/x
3. Step 3: Cross multiply
   10,561.12x = 15,839.52 × 3,634.08
4. Step 4: Simplify right side
   10,561.12x = 57,562,082.84
5. Step 5: Solve for x
   x = 57,562,082.84/10,561.12
6. Step 6: Final answer
   x = 5,450.38