Finding the Fourth Proportional to 9,837.86, 13,576.31 and 5,361.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,837.86 : 13,576.31 = 5,361.59 : x
2. Step 2: Convert to fraction form
   9,837.86/13,576.31 = 5,361.59/x
3. Step 3: Cross multiply
   9,837.86x = 13,576.31 × 5,361.59
4. Step 4: Simplify right side
   9,837.86x = 72,790,513.24
5. Step 5: Solve for x
   x = 72,790,513.24/9,837.86
6. Step 6: Final answer
   x = 7,399.02