Finding the Fourth Proportional to 9,338.20, 12,886.62 and 5,361.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,338.20 : 12,886.62 = 5,361.52 : x
2. Step 2: Convert to fraction form
   9,338.20/12,886.62 = 5,361.52/x
3. Step 3: Cross multiply
   9,338.20x = 12,886.62 × 5,361.52
4. Step 4: Simplify right side
   9,338.20x = 69,091,870.86
5. Step 5: Solve for x
   x = 69,091,870.86/9,338.20
6. Step 6: Final answer
   x = 7,398.84