Finding the Fourth Proportional to 9,837.36, 13,575.42 and 5,361.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,837.36 : 13,575.42 = 5,361.12 : x
2. Step 2: Convert to fraction form
   9,837.36/13,575.42 = 5,361.12/x
3. Step 3: Cross multiply
   9,837.36x = 13,575.42 × 5,361.12
4. Step 4: Simplify right side
   9,837.36x = 72,779,455.67
5. Step 5: Solve for x
   x = 72,779,455.67/9,837.36
6. Step 6: Final answer
   x = 7,398.27