Finding the Fourth Proportional to 9,928.51, 13,701.69 and 5,452.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,928.51 : 13,701.69 = 5,452.38 : x
2. Step 2: Convert to fraction form
   9,928.51/13,701.69 = 5,452.38/x
3. Step 3: Cross multiply
   9,928.51x = 13,701.69 × 5,452.38
4. Step 4: Simplify right side
   9,928.51x = 74,706,820.52
5. Step 5: Solve for x
   x = 74,706,820.52/9,928.51
6. Step 6: Final answer
   x = 7,524.48