Finding the Fourth Proportional to 9,425.98, 13,008.88 and 5,393.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,425.98 : 13,008.88 = 5,393.18 : x
2. Step 2: Convert to fraction form
   9,425.98/13,008.88 = 5,393.18/x
3. Step 3: Cross multiply
   9,425.98x = 13,008.88 × 5,393.18
4. Step 4: Simplify right side
   9,425.98x = 70,159,231.44
5. Step 5: Solve for x
   x = 70,159,231.44/9,425.98
6. Step 6: Final answer
   x = 7,443.18