Finding the Fourth Proportional to 9,837.99, 13,576.48 and 5,361.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,837.99 : 13,576.48 = 5,361.72 : x
2. Step 2: Convert to fraction form
   9,837.99/13,576.48 = 5,361.72/x
3. Step 3: Cross multiply
   9,837.99x = 13,576.48 × 5,361.72
4. Step 4: Simplify right side
   9,837.99x = 72,793,284.35
5. Step 5: Solve for x
   x = 72,793,284.35/9,837.99
6. Step 6: Final answer
   x = 7,399.21