Finding the Fourth Proportional to 9,341.40, 12,889.66 and 5,361.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,341.40 : 12,889.66 = 5,361.82 : x
2. Step 2: Convert to fraction form
   9,341.40/12,889.66 = 5,361.82/x
3. Step 3: Cross multiply
   9,341.40x = 12,889.66 × 5,361.82
4. Step 4: Simplify right side
   9,341.40x = 69,112,036.78
5. Step 5: Solve for x
   x = 69,112,036.78/9,341.40
6. Step 6: Final answer
   x = 7,398.47