Finding the Fourth Proportional to 9,339.82, 12,888.66 and 5,361.01

Step by Step Solution

1. Step 1: Write the proportion equation
   9,339.82 : 12,888.66 = 5,361.01 : x
2. Step 2: Convert to fraction form
   9,339.82/12,888.66 = 5,361.01/x
3. Step 3: Cross multiply
   9,339.82x = 12,888.66 × 5,361.01
4. Step 4: Simplify right side
   9,339.82x = 69,096,235.15
5. Step 5: Solve for x
   x = 69,096,235.15/9,339.82
6. Step 6: Final answer
   x = 7,398.03