Finding the Fourth Proportional to 9,525.69, 13,145.94 and 5,277.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,525.69 : 13,145.94 = 5,277.21 : x
2. Step 2: Convert to fraction form
   9,525.69/13,145.94 = 5,277.21/x
3. Step 3: Cross multiply
   9,525.69x = 13,145.94 × 5,277.21
4. Step 4: Simplify right side
   9,525.69x = 69,373,886.03
5. Step 5: Solve for x
   x = 69,373,886.03/9,525.69
6. Step 6: Final answer
   x = 7,282.82