Finding the Fourth Proportional to 9,837.49, 13,575.35 and 5,361.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,837.49 : 13,575.35 = 5,361.15 : x
2. Step 2: Convert to fraction form
   9,837.49/13,575.35 = 5,361.15/x
3. Step 3: Cross multiply
   9,837.49x = 13,575.35 × 5,361.15
4. Step 4: Simplify right side
   9,837.49x = 72,779,464.54
5. Step 5: Solve for x
   x = 72,779,464.54/9,837.49
6. Step 6: Final answer
   x = 7,398.17