Finding the Fourth Proportional to 9,697.77, 13,382.42 and 5,449

Step by Step Solution

1. Step 1: Write the proportion equation
   9,697.77 : 13,382.42 = 5,449 : x
2. Step 2: Convert to fraction form
   9,697.77/13,382.42 = 5,449/x
3. Step 3: Cross multiply
   9,697.77x = 13,382.42 × 5,449
4. Step 4: Simplify right side
   9,697.77x = 72,920,779.34
5. Step 5: Solve for x
   x = 72,920,779.34/9,697.77
6. Step 6: Final answer
   x = 7,519.33