Finding the Fourth Proportional to 9,837.77, 13,575.72 and 5,361.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,837.77 : 13,575.72 = 5,361.42 : x
2. Step 2: Convert to fraction form
   9,837.77/13,575.72 = 5,361.42/x
3. Step 3: Cross multiply
   9,837.77x = 13,575.72 × 5,361.42
4. Step 4: Simplify right side
   9,837.77x = 72,785,116.62
5. Step 5: Solve for x
   x = 72,785,116.62/9,837.77
6. Step 6: Final answer
   x = 7,398.54