Finding the Fourth Proportional to 9,428.33, 13,013.44 and 5,451.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,428.33 : 13,013.44 = 5,451.75 : x
2. Step 2: Convert to fraction form
   9,428.33/13,013.44 = 5,451.75/x
3. Step 3: Cross multiply
   9,428.33x = 13,013.44 × 5,451.75
4. Step 4: Simplify right side
   9,428.33x = 70,946,007.89
5. Step 5: Solve for x
   x = 70,946,007.89/9,428.33
6. Step 6: Final answer
   x = 7,524.77