Finding the Fourth Proportional to 9,928.58, 13,701.38 and 5,452.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,928.58 : 13,701.38 = 5,452.42 : x
2. Step 2: Convert to fraction form
   9,928.58/13,701.38 = 5,452.42/x
3. Step 3: Cross multiply
   9,928.58x = 13,701.38 × 5,452.42
4. Step 4: Simplify right side
   9,928.58x = 74,705,678.34
5. Step 5: Solve for x
   x = 74,705,678.34/9,928.58
6. Step 6: Final answer
   x = 7,524.31