Finding the Fourth Proportional to 9,381.33, 12,948.84 and 5,403.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,381.33 : 12,948.84 = 5,403.69 : x
2. Step 2: Convert to fraction form
   9,381.33/12,948.84 = 5,403.69/x
3. Step 3: Cross multiply
   9,381.33x = 12,948.84 × 5,403.69
4. Step 4: Simplify right side
   9,381.33x = 69,971,517.22
5. Step 5: Solve for x
   x = 69,971,517.22/9,381.33
6. Step 6: Final answer
   x = 7,458.59